Which gas is used in refrigerators for cooling...? Mcqs

Latest MCQs

Which gas is used in refrigerators for cooling...?

(A) Chlorofluorocarbon
(B) Nitrogen

(C) Helium
(D) Tetrafluoroethene

Latest MCQs

Which is the first element depicted on the Periodic Table...?

(A) Hydrogen
(B) Aluminum

(C) Oxygen
(D) Gold

Latest MCQs

Galvanized iron sheets have on the coating of...?

(A) Lead
(B) Chromium

(C) Tin
(D) Zinc

Latest MCQs

Which of the following is used in normal pencils...?

(A) Graphite
(B) Silicon

(C) Charcoal
(D) Slate

Latest MCQs

CU is the symbol of which element of the periodic table:...?

(A) Chromium
(B) Copper

(C) Carbon
(D) None of these

Latest MCQs

Which is the first element in the periodic table...?

(A) Hydrogen
(B) Helium

(C) Nitrogen
(D) Carbon

Latest MCQs

What is the study of fossils called...?

(A) Paleontology
(B) Archaeology

(C) Geology
(D) Anthropology

Latest MCQs

The acid used in a car battery is:...?

(A) Acetic Acid
(B) Nitric acid

(C) Sulfuric acid
(D) Hydrochloric acid

Latest MCQs

Which is the hardest among following...?

(A) Radium
(B) Diamond

(C) Graphite
(D) Gold

Latest MCQs

Which of the following metals is not only magnetic but also radioactive...?

(A) Thorium
(B) Aluminum

(C) Iron
(D) None of these

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