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Chemistry questions and answers pdf
Chemistry model question paper
1. Who is regarded as father of modern chemistry-
(A) Rutherford
(B) Einstein
(C) Lavoisier
(D) C.V. Raman
2. The number of electrons and neutrons of an element is 18 and 20 respectively. Its mass number is –
(A) 22
(B) 2
(C) 38
(D) 20
3. Which of the following is also known as Laughing gas -?
(A) Nitric oxide
(B) Nitrous oxide
(C) Nitrogen Penta oxide
(D) Nitrogen
4. Which of the following is not a type of element -?
(A) Metals
(B) Non- metals
(C) Gases
(D) Metalloids
5. pH value of water is –
(A) 4
(B) 7
(C) 12
(D) 18
Chemistry quiz questions
6. The nucleus of a hydrogen atom consists of –
(A) 1 proton only
(B) 1 proton + 2 neutrons
(C) 1 neutron only
(D) 1 electron only
7. Which is used in preparation of dynamite?
(A) Glycerol
(B) Ethyl alcohol
(C) Methyl alcohol
(D) Glycol
8. Air contains maximum amount of –
(A) Oxygen
(B) Nitrogen
(C) Hydrogen
(D) carbon – dioxide
9. The chemical name of washing soda is –
(A) Sodium sulphate
(B) Sodium Bicarbonate
(C) Sodium carbonate
(D) Sodium Bisulphate
10. Periodic table was given by –
(A) Faraday
(B) Lavoisier
(C) Arrhenius
(D) Mendeleev
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