Chemistry Mcqs

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Chemistry Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.

 

76. Which of the following is a polymer
(a) Vinyl Chloride
(b) Urea
(c) Starch
(d) Styrene

 

77. What is the only element that normally has no neutrons
(a) Oxygen
(b) Hydrogen
(c) Krypton
(d) Neon

 

78. Which of these is liquid at room temperature
(a) Chlorine
(b) Oxygen
(c) Iodine
(d) Bromine

 

79. Due to rusting the weight of iron
(a) Increases
(b) Decreases
(c) Remains the same
(d) Uncertain

 

80. Which of these metals has the highest density
(a) Platinum
(b) Lithium
(c) Tungsten
(d) Iridium

 

81. In nature, this gas is only ever found combined with other elements. In its pure state however, it is fatal if inhaled.
(a) Argon
(b) Oxygen
(c) Chlorine
(d) Hydrogen

 

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