Chemistry Questions Set 4

Chemistry Questions Set 4

Questions Based on Chemistry are an important part of questions asked in SSC, UPSC examinations. Sehpaathi Bring in to you, questions related to Chemistry

Chemistry Based Set 4

1. Liquefied Petroleum gas (LPG) consists of mainly —
(A) Methane, Ethane and Hexane
(B) Ethane, Hexane and Nonane
(C) Methane, Butane and Propane
(D) Methane, Hexane and Nonane

2. The metal that is present in Photo Films is —
(A) Mercury
(B) Platinium
(C) Magnesium
(D) Silver

3. Which of the following is in liquid form at room temperature ?
(A) Cerium
(B) Sodium
(C) Francium
(D) Lithium

4. Soda water contains —
(A) Nitrous acid
(B) Carbonic acid
(C) Carbon dioxide
(D) Sulphuric acid

5. Which of the following is basis of the modern periodic table ?
(A) Atomic mass
(B) Atomic number
(C) Atomic size
(D) Atomic volume

6. The purest form of iron is —
(A) Steel
(B) Pig iron
(C) Cast iron
(D) Wrought iron

7. The percentage of carbon is the least in —
(A) Grey cast iron
(B) Wrought iron
(C) White cast iron
(D) Steel

8. The colour of Emerald is —
(A) Violet
(B) Yellow
(C) Deep Green
(D) Prussian Blue

9. Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of —
(A) Nitrates
(B) Zeolites
(C) Sulphonates
(D) None of these

10. Rust is —
(A) A mixture of Fe₂O₃ and Fe(OH)₂
(B) A mixture of FeO and Fe(OH)₂
(C) FeO only
(D) A mixture of Fe₂O₃, 3H₂O and FeO

Answers:
1. (C)     2. (B)    3. (C)     4. (D)      5. (E)    6. (D)     7. (D)     8. (C)    9. (B)    10. (D)
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