(QUIZ) General Science MCQs : Gist of Chemistry from NCERT Books

(QUIZ) General Science MCQs : Gist of Chemistry from NCERT Books

1. Match the following:

       Acid                   Found in

(i) Acetic Acid           (a) Curd
(ii) Formic Acid         (b) Citrus fruits
(iii) Citric Acid           (c) Aunts sting
(iv) Lactic Acid          (d) vinegar
 

  1.  i – d, ii – c, iii – b, iv – a
  2.  i – a, ii – b, iii – d, iv – c
  3.  i – b, ii – a, iii – c, iv – d
  4.  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

  1.  i – a, ii – d, iii – b, iv – c
  2.  i – b, ii – d, iii – a, iv – d
  3.  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?

  1.  i & ii 
  2.  None of the above
  3.  iii
  4.  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?

  1.  i and ii only
  2.  i and iii only
  3.  ii and iii only
  4.  All of the above

5. Consider the following statements.

(i) In the Celcius scale the lowest fixed point is the freezing temperature of pure substance.
(ii) The kelvin scale is also known as absolute scale of temperature.
which of the above statements is/are correct ?

  1.  1 only
  2.  2 only
  3.  Both 1 and 2
  4.  Neither 1 nor 2

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