Science Quiz (Chemistry) for CTET Exam 2016_00.1
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Science Quiz (Chemistry) for CTET Exam 2016

Science Quiz (Chemistry) for CTET Exam 2016_40.1

1. Which of the following are physical changes?
(i) Melting of iron metal
(ii) Rusting of iron
(iii) Bending of an iron rod
(iv) Drawing a wire of iron metal
A. 1, 2 and 3 only
B. 1,2 and 4 only
C. 1,3 and 4 only
D. 2, 3 and 4 only

2. Which of the following are chemical changes?
(i) Decaying of wood
(ii) Burning of wood
(iii) Sawing of wood
(iv) Hammering of a nail into a piece of wood
A. 1 and 2 only
B. 2 and 3 only
C. 3 and 4 only
D. 1 and 4 only

3. Rusting of an article made up of iron is called-
A. corrosion and it is a physical as well as chemical change
B. dissolution and it is a physical change
C. corrosion and it is a chemical change
D. dissolution and it is a chemical change

4. A mixture of sulphur and carbon disulphide is-
A. heterogeneous and shows Tyndall Effect
B. homogeneous and shows Tyndall Effect
C. heterogeneous and does not shows Tyndall Effect
D. homogeneous and does not shows Tyndall Effect
5. Tincture of Iodine has antiseptic properties. This solution is made by dissolving –
A. iodine in potassium iodide
B. iodine in Vaseline
C. iodine in water
D. iodine in alcohol

6. Which of the following are homogeneous in nature?
(i) ice
(ii) wood
(iii) soil
(iv) air
A. 1 and 3 only
B. 2 and 4 only
C. 1 and 4 only
D. 3 and 4 only
7. Which of the following statement is always correct?
A. An atom has equal number of electrons and protons
B. An atom has equal number of electrons and neutrons
C. An atom has equal number of neutron and protons
D. An atom has equal number of electrons, neutrons and protons
8. Which of the following non-metals is a liquid?
A. carbon
B. bromine
C. phosphorus
D. sulphur
9. Which of the following is used for dissolution of gold?
A. hydrochloric acid
B. sulphuric acid
C. nitric acid
D. aqua regia
10. Stainless steel is very useful material for our life. In stainless steel-
A. Ni and Cr
B. Cu and Cr
C. Ni and Cu
D. Cu and Au
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