(MCQ) IAS PRE GS Online Coaching : General Science - "Gist of Chemistry from NCERT Books"

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(MCQ) General Science: Gist of Chemistry from NCERT Books

1. Match the following:

a) i – d, ii – c, iii – b, iv – a
b) i – a, ii – b, iii – d, iv – c
c) i – b, ii – a, iii – c, iv – d
d) i – c, ii – d, iii – a, iv – b

2. Match the following:

Name of Base: Found in

(i) Calcium Lime water: Hydroxide
(ii) Ammonium Soap: Hydroxide
(iii) Sodium Milk of : Hydroxide magnesia
(iv) Magnesium Window: Hydroxide cleaner

a) i – a, ii – d, iii – b, iv – c
b) i – b, ii – d, iii – a, iv – d
c) i – c, ii – b, iii – a, iv – d

3. Consider the following statements.

(i) Bitumen a petroleum product is used in place of coal tar.
(ii) The worlds first oil well was stuck in Pennsylvania USA.
(iii) Paraffin wax is used to make candles, Vaseline.

Which of the above are false?

a) i & ii
b) None of the above
c) iii
d) ii & iii

4. Consider the following statements.

(i) carbon is the sixth element in the Periodic table.
(ii) Diamond is one of the allotropic forms of carbon.
(iii) Graphite is a good conductor of electricity.

Which of the above statements is/are correct?

a) i and ii only
b) i and iii only
c) ii and iii only
d) All of the above

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