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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Introduction and Snapshot of Chemistry in Everyday Life - Study ref# 896
Introduction: By now, you have learnt the basic principles of chemistry and also realized that it influences every sphere of human life. The principles of chemistry have been used for the benefit of mankind. Think of cleanliness – the ...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Introduction and Snapshot of Chemistry in Everyday Life - Study ref# 897
Following sections must be covered to understand the Chemistry in Everyday Life: 1. Drugs and their Classification 2. Drug-Target Interaction 3. Therapeutic Action of Different Classes of Drugs 4. Chemicals in Food 5. Cleansin...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Target Setup for Chemistry in Everyday Life - Study ref# 898
Student requires to achieve the following milestones to get better grip over Chemistry in Everyday Life. The milestones / targets are as follows: Starting Point: Days 0Test TypeAppear on TestTarget TestsScorePractice Test000%Chap...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10058
Which of the following statements is not correct? (a) Some antiseptics can be added to soaps (b) Dilute solutions of some disinfectants can be used as antiseptic (c) Disinfectants are antimicrobial drugs. (d) Antiseptic medici...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10059
Which is the correct statement about birth control pills? (a) Contain estrogen only (b) Contain progesterone only (c) Contain a mixture of estrogen and progesterone derivatives (d) Progesterone enhances ovulation Answer: (c) Chemica...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10060
Which statement about aspirin is not true? (a) Aspirin belongs to narcotic analgesic. (b) It is effective in relieving pain (c) It has antiblood clotting action (d) It is a neurologically active drug. Answer: (a) Aspirin can be prep...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10061
The most useful classification of drugs for medicinal chemists is……. (a) on the basis of chemical structure (b) on the basis of drug action (c) on the basis of molecular targets (d) on the basis of pharmacological effect A...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10062
Salvarsan is arsenic containing drug which was first used for the treatment of……….. . (a) syphilis (b) typhoid (c) meningitis (d) dysentery Answer: (a) Syphilis is an acute and chronic infections disease c...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10063
A narrow spectrum antibiotic is active against………….. (a) gram positive or gram negative bacteria (b) gram negative bacteria only (c) single organism or one disease (d) both gram positive or gram negative bacte...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10064
Compound which is added to soap to impart antiseptic properties is…. (a) sodium laurysulphate (b) sodium dodecylbenzenesulphonate (c) rosin (d) bithional Answer: (d) Basically, all s...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10065
Which of the following enhances leathering property of soap? (a) Sodium carbonate (b) Sodium rosinate (c)Sodium stearate (d) Trisodium phosphate Answer: (b) Shaving soaps contain glycerol to pr...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10066
Glycerol is added to soap. It functions……….. . (a) as a filler (b) to increase leathering (c) to prevent rapid drying (d) to make soap granules Answer: Glycerol is added to shaving soap to prev...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10067
Which of the following is an example of liquid dishwashing detergent? Answer: (b) Liquid dishwashing detergents are non-ionic type. Non-ionic detergents do not contain any ion in their constitution. Mechanism of cleansing action of this ...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10068
Polyethyleneglycols are used in the preparation of which type of detergents? (a) Cationic detergents (b) Anionic detergents (c)Non-ionic detergents (d) Soaps Answer: (c) Polyethyleneglycols are used in the preparation o...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10069
Which of the following is not a target molecule for drug function in body? (a) Carbohydrates (b) Lipids (c) Vitamins (d) Proteins Answer: (c) Drugs usually interact with biomolecules as carbohydrates, lipids, proteins and ...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10070
Which of the following chemicals can be added for sweetening of food items at cooking temperature and does not provide calories? (a) Sucrose (b) Glucose (c) Aspartame (d) Suc...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10071
Which of the following are not used as food preservatives? (a) Table salt (b) Sodium hydrogencarbonate (c) Cane sugar (d) Benzoic acid Answer: (b, c) Food preservatives prevent spoilage of food du...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10072
Compounds with antiseptic properties are …………. (a)
(b) (c) boric acid (d) 0.3 ppm aqueous solution of Answer: (b, c) Antis...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10073
Which of the following are antidepressants? (a) Iproniazid (b) Phenelzine (c) Equanil (d) Salvarsan Answer: (a, b, c) Antidepressants are the substances which correct chemical im...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10074
Which of the following statements are incorrect about penicillin? (a) An antibacterial fungus (b) Ampicillin is its synthetic modification (c) It has bacteriostatic effect (d) It is a board spectrum antibiotic. Answer: (c, d) Pen...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10075
Amongst the following antihistamines, which are antacids? (a) Ranitidine (b) Brompheniramine (c) Terfenadine (d) Cimetidine Hints- This question is based on the inter-relation between the antihistamin...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10076
Veronal and luminal are derivatives of barbituric acid which are…… (a) tranquilizers (b) non-narcotic analgesic (c) anti-allergic drugs (d) neurologically active drugs Answer: (a, d) Derivatives of...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10077
What is the average molecular mass of drugs? Answer: Drugs are the chemicals of low molecular mass i.e.,( ) . They interact with macromolecular targets and produce a biological response. When the biological response is therapeutic and use...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10078
Write the uses of medicines. Answer: Chemical substances which are used in diagnosis, prevention and treatment of diseases which are called medicines. Medicines are used in diagnosis, prevention and treatment of diseases. Note- If drug...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10079
Where are receptors located? Answer: Receptors are proteins that are crucial to body’s communication process. Receptors are embedded on the outer surface of the cell membrane in such a way that their small part possessing active site project...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10080
What is the harmful effect of hyperacidity? Answer: Hyperacidity produces sudden stomach pain. It may lead to vomiting, loss of appetite, flatulence and heart burn. It is also responsible for chronic indigestion and in severe cases cause ...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10081
Which site of an enzyme is called allosteric site? Answer: Sites different from active site of enzyme where a molecule can bind and change the shape of the active site is called allosteric site. Detailed Explanation : Drugs can bloc...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10082
Which class of drugs is used in sleeping pills? Answer: Traquilizers are essential components of sleeping pills. It is the class of chemical compounds used for the treatment of stress and mild or even severe mental disease. These relieve anx...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10083
Aspirin is pain relieving antipyretic drug but can be used to prevent heart attack. Explain. Answer: Aspirin is 2-acetoxybenzoic acid. It is very effective in reducing or abolishing pain without causing impairment of consciousness, mental co...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10084
Both antacids and antiallergic drugs are antihistamines but they cannot replace each other. Explain why? Answer: Histamine is a chemical substance that stimulates the secretion of pepsin and hydrochloric acid in stomach. Antacids are designe...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10085
What is a soft soap? Answer: Chemical substances which concentrates at the surface of the solution or interfaces, from surface films, reduces surface tension of the solution and help in removing dirt and dust by emulsifying grease are called...
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10086
How are transparent soaps manufactured? Answer: Soap that float in water are made by beating tiny air bubbles before their hardening. Transparent soaps are made by dissolving the soap in ethanol and then evaporating the excess solvent....
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JEE-Main - Grade 12 - Chemistry - Chemistry in Everyday Life - Study ref# 10087
What are the fillers and what role these fillers play in soap? Answer: Substances which are added to soaps to change their properties in order to make them more useful for a particular application, are called fillers. Some important examples...
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