Applied Chemistry English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021

9th Standard

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Science

Time : 00:10:00 Hrs
Total Marks : 10

    Part A

    10 x 1 = 10
  1. The antibiotic Penicillin is obtained from ___________ 

    (a)

    plant

    (b)

    microorganism

    (c)

    animal

    (d)

    sunlight

  2. The cathode of an electrochemical reaction involves ____________

    (a)

    oxidation

    (b)

    reduction

    (c)

    neutralisation

    (d)

    catenation

  3. Which of the following does not contain natural dyes?

    (a)

    Potato

    (b)

    Beetroot

    (c)

    Carrot

    (d)

    Turmeric

  4. Radiochemistry deals with

    (a)

    oxidants

    (b)

    batteries

    (c)

    isotopes

    (d)

    nanoparticles

  5. Chlorinated hydrocarbons are used as

    (a)

    fertilizers

    (b)

    pesticides

    (c)

    food colourants

    (d)

    preservatives

  6. Which of the foliowing methods is suitable for preventing iron frying pan from rusting?

    (a)

    Applying grease

    (b)

    Applying paint

    (c)

    Applying coating of zinc

    (d)

    All the above

  7. The source of drug of liquid paraffin is _____________.

    (a)

    Micro organism

    (b)

    Minerals

    (c)

    Plants

    (d)

    Animal

  8. Chloroform reacts with oxygen and forms this toxic substance, hence it is not used now

    (a)

    Carbonyl chloride

    (b)

    Carbon di oxide

    (c)

    Carbon monoxide

    (d)

    Carbon di sulphide

  9. Paracetamol is an _____________.

    (a)

    Analgesics

    (b)

    Antipyretics

    (c)

    Antiseptic

    (d)

    Anti malarial

  10. Congo red is a __________.

    (a)

    Direct dye

    (b)

    Vat dye

    (c)

    Basic dye

    (d)

    add dye

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