Selective Chemistry GK Questions for Competitive Exam
Gold is used to make jewelery?
(A) 22 carats
(B) 24 carat
(C) 16 carats
(D) 23 carats
Correct Answer : A
Which of these metals is found in liquid state?
(A) Iron
(B) Mercury
(C) Silver
(D) Others
Correct Answer : B
Which of the following non-metals are kept immersed in water?
(A) Sulfur
(B) White Phosphorus
(C) Red Phosphorus
(D) Iodine
Correct Answer : B
Which of the following are metals found in free state in the earth's crust?
(A) Ag
(B) Mg
(C) Al
(D) Zn
Correct Answer : A
Is it an ore of zinc?
(A) Zinc Blade
(B) Bauxite
(C) sodium chloride
(D) Sinawar
Correct Answer : A
What is the percentage of carbon in steel?
(A) 3 %
(B) 4 %
(C) 2 %
(D) 5 %
Correct Answer : C
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Rajesh Bhatia
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