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12th Standard Chemistry Chemistry In Everyday Life English Medium Free Online Test One Mark Questions with Answer Key 2020 - 2021

12th Standard EM

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Chemistry

Time : 00:20:00 Hrs
Total Marks : 20
    Answer all the questions
    20 x 1 = 20
  1. Dettol is the mixture of

    (a)

    Chloroxylenol and bithionol

    (b)

    Chloroxylenol and \(\alpha\)-terpineol

    (c)

    phenol and iodine

    (d)

    terpineol and bithionol

  2. Natural rubber has

    (a)

    alternate cis- and trans-configuration

    (b)

    random cis- and trans-configuration

    (c)

    all cis-configuration

    (d)

    all trans-configuration

  3. Which one of the following is a bio-degradable polymer?

    (a)

    HDPE

    (b)

    PVC

    (c)

    Nylon 6

    (d)

    PHBV

  4. The drug used to induce sleep is

    (a)

    paracetamol

    (b)

    bithional

    (c)

    chloroquine

    (d)

    equanil

  5. A mixture of chloroxylenol and terpinecol acts as

    (a)

    antiseptic

    (b)

    antipyretic

    (c)

    antibiotic

    (d)

    analgesic

  6. Which among the following is a modification of penicillin?

    (a)

    amoxicillin

    (b)

    catecholamine

    (c)

    Crythromycin

    (d)

    all the above

  7. The class of drugs used for the treatment of stress is _______

    (a)

    antihistamine

    (b)

    tranquilizens

    (c)

    antimicrobials

    (d)

    aminoglycosides

  8. Acetoxy benzoic acid is _______

    (a)

    acetylsalicylic acid

    (b)

    aspirin

    (c)

    both (a) and (b)

    (d)

    neither (a) nor (b)

  9. Which among the following is an ester linked local anaestheic

    (a)

    procaine

    (b)

    lidocaine

    (c)

    both (a) and (b)

    (d)

    neither (a) nor (b)

  10. Oxidation of fats and oils is prevented by

    (a)

    BHT(Butyl hydroxy toluene)

    (b)

    BHA(Butyl hydroxy anisole)

    (c)

    Both (a) and (b)

    (d)

    Neither (a) nor (b)

  11. Nylon -66 is an example of ______ polymer.

    (a)

    addition

    (b)

    condensation

    (c)

    both (a) and (b)

    (d)

    natural

  12. Teflon is an _______ polymer.

    (a)

    LDPE

    (b)

    HDPE

    (c)

    Condensation

    (d)

    All the above

  13. The drug that binds to the receptor site and inhibits its natural function are called _______

    (a)

    anomers

    (b)

    agonists

    (c)

    antagonists

    (d)

    none of the above

  14. Cellulose is an example of _____ polymer.

    (a)

    synthetic

    (b)

    Natural

    (c)

    semisynthetic

    (d)

    none of the above

  15. A 1% solution of phenol is a _______

    (a)

    antiseptic

    (b)

    disinfectant

    (c)

    antimalarial drug

    (d)

    anthithistamine

  16. The substance that functions as a moisture barrier between the skin and the atmosphere is called _______

    (a)

    preservative

    (b)

    emulsifier

    (c)

    anticaking agent

    (d)

    moisturizer

  17. Pain killers are known a _______

    (a)

    antipyretics

    (b)

    analgesics

    (c)

    antibiotics

    (d)

    antiseptics

  18. Potassium meta bisulphite is used as ________

    (a)

    food preservative

    (b)

    sweetening agent

    (c)

    a cosmetic

    (d)

    an antioxidant

  19. Glyptal is a polymer of _______

    (a)

    ethylene glycol and terypthaliic acid

    (b)

    ethylene glycol and pthalic acid

    (c)

    adipic acid and hexamethelene diamine

    (d)

    phenol and formaldehyde

  20. Sorbitol and Mannitol are ________

    (a)

    isomers

    (b)

    polymers

    (c)

    epimers

    (d)

    dimers

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