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Chemistry Objective Questions for Competitive Exams

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Chemistry Objective Questions for NTS, PPSC, CSS, FPSC, PMS, OTS, PTS Tets and Interviews

This post contains Chemistry Objective Questions for Competitive Exams like NTS, PPSC, CSS, FPSC, OTS, PTS and Interviews. This is the 7th post of Chemistry MCQs 1st series. MCQs are taken from Caravan Comprehensive Book. Students who are looking forward to attempting MCAT or ECAT Entry tests can also practice these General Chemistry Multiple Choice Questions.  For more MCQs of Chemistry See Here.

Chemistry Objective Questions for Competitive Exams for ECAT and MCAT Entry Tests.

Counting of this Quiz is starting from 91. For previous Chemistry Quiz Click This Link.

91. Atomic weight of uranium is___________.

(a) 237
(b) 238
(c) 226
(d) 242

(b) 238

92. Which among the following is in liquid state at normal room temperature?

(a) Mercury
(b) Sodium
(c) Phosphorus
(d) None of these

(a) Mercury

93. Which of the following gases is used in cigarette lighters?

(a) Butane
(b) Methane
(c) Propane
(d) Radon

(a) Butane

94. Liquefied petroleum gas (LPG) consists of___________.

(a) Butane and propane
(b) Ethane and hexane
(c) Ethane and nonane
(d) None of these

(a) Butane and propane

95. Which of the following is fire resistant?

(a) Asbestos
(b) Gypsum
(c) Dolomite
(d) None of these

(a) Asbestos

96. Which of the following is used for silvering of mirrors?

(a) Silver nitrate
(b) Zinc nitrate
(c) Silver oxide
(d) Pitchblende

(a) Silver nitrate

97. Raw materials used for manufacture of glass are ________.

(a) Sand/soda/limestone
(b) Sand/charcoal/soda
(c) Limestone/charcoal/sulphur
(d) Sand/sulphur/soda

(a) Sand/soda/limestone

98. Solder is an alloy of ________.

(a) Tin and lead
(b) Tin and zinc
(c) Zinc and lead
(d) Zinc and copper

(a) Tin and lead

99. Why does milk curdle?

(a) Fermentation of lactose
(b) Reaction of microbes
(c) Over heating
(d) Fungus growth

(a) Fermentation of lactose

100. Which of the following is the lightest gas?

(a) Nitrogen
(b) Hydrogen
(c) Ammonia
(d) Carbon dioxide

(b) Hydrogen

101. In vulcanisation, natural rubber is heated with:

(a) Carbon
(b) Sulphur
(c) Silicon
(d) Phosphorus

(b) Sulphur

102. Which one of the following does not wet the walls of the glass vessel in which it is kept?

(a) Water
(b) Alcohol
(c) Mercury
(d) None of these

(c) Mercury

103. Dialysis is used for people with defective kidneys. It involves the process of:

(a) Adsorption
(b) Osmosis
(c) Electrophoresis
(d) Diffusion

(b) Osmosis

104. The substance coated on plastic tape-recorder tapes is_________.

(a) Zinc oxide
(b) Manganese oxide
(c) Iron sulphate
(d) Iron oxide

(d) Iron oxide

105. Which form of phosphorus is used in safety matches?

(a) White phosphorus
(b) Yellow phosphorus
(c) Red phosphorus
(d) Black phosphorus

(c) Red phosphorus

For Next Chemistry Objective Questions Quiz Click Here.

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