If you’re a chemistry student, you’ve probably wondered about the significance of chemistry in everyday life. Chemistry is the branch of science that investigates the properties and changes of matter. Everything from how our bodies exchange O2 to how our universe was created has a chemistry component to it.
Download Class 12 Chemistry Worksheet on Chapter 16 Chemistry in Everyday life PDF – Set 3
CBSE Class 12 Chemistry Chapter 16 Chemistry in Everyday life Worksheet – Set 3
Q-1: Which of the following statements is/are incorrect?
- Boric acid in diluted aqueous solutions is an effective wound antiseptic.
- Disinfectants are antimicrobial drugs
- Antiseptic medications can be consumed.
- Antiseptics are used on inanimate objects.
Q-2: Which of the following statements about antifertility drugs is true?
- Only progesterone is present.
- Only estrogen is present.
- They contain a combination of synthetic estrogen and progesterone derivatives.
- Both synthetic estrogen and progesterone are sex glands.
Q-3: A limited-spectrum antibiotic is effective against
- Bacteria with Gram negative characteristics
- Bacteria that are Gram positive
- Gram positive and gramme negative bacteria
- Individual disease or organism
Q-4: Parkinson’s disease is associated with changes in dopamine levels in the body. The IUPAC name for dopamine is
- 1-aminoethyl-4,5-dihydroxybenzene
- 4,5-dihydroxy-1-aminoethyl benzene
- 4-(2-aminoethyl)benzene-1,2-diol
- 1,2-dihydroxy-4-aminoethyl benzene
Q-5: What do you mean by anaesthetics? Give its two types?
Q-6: Which of the following statements is false about aspirin ?
- It is a drug that has no effect on the nervous system.
- It has anti-clotting properties.
- It prevents the synthesis of prostaglandins, which are responsible for tissue inflammation and pain.
- It is a non-addictive analgesic.
Q-7: Sodium lauryl sulphate is an anionic detergent which is prepared by the action of sulphuric acid followed by neutralisation starting with
- Lauryl Hydrogen sulphate
- Lauryl alcohol
- Lauryl alcohol ethoxylate
- Cyclohexanol
Q-8: Which of the following statements is/are wrong for non-ionic detergents?
- They do not contain any charge
- They do not contain any ion
- They are not neutral
- Pentaerythrityl stearate is non – ionic detergent
Q-9: Which of the following can be employed as a tranquiliser?
- Promethazine
- Valium
- Naproxen
- Ibuprofen
Q-10: How do antihistamines work? Give some examples.
Q-11: Give the distinction between antagonists and agonists.
Q-12: Which if the following is not an antipyretic?
- Phenacetin
- Meprobamate
- Paracetamol
- Arthriten
Q-13: What are micelles? Provide the conditions for their formation.
Q-14: Chloramphenicol is an antibiotic with a broad spectrum of action. What is its function?
Q-15: The new enzyme is created by the body when
- Between the enzyme and the inhibitor, a weak bond forms.
- An enzyme-inhibitor covalent bond is formed.
- There is no interaction between the enzyme and the inhibitor.
- Van der Waals forces attract the enzyme and the inhibitor.
Q-16: How do azodyes and salvarsan resemble each other?
Q-17: What is the underlying cause of a person’s depression? How can it be cured?
Q-18: What could happen if you ingest poisonous doses of narcotic analgesics?
Q-19: Which soap is created by dissolving the soap in ethanol and then evaporating the excess solvent?
- Toilet soaps
- Medicated soaps
- Shaving soaps
- Transparent soaps
Q-20: How are potassium soaps made? What name is given to such reactions?
Download the PDF to access answers to the Chemistry Worksheet for Class 12 Chemistry Chapter 16 Chemistry in Everyday life Set -3.
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