Chemistry MCQs

Latest MCQs

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

(i) Chlorofluorocarbon
(ii) Nitrogen

(iii) Helium
(iv) Tetrafluoroethene

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Latest MCQs

Which gas is known as laughing gas...?

(i) Nitrous oxide N2O
(ii) Nitrogen

(iii) Methane
(iv) None of these

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Latest MCQs

Which of the following is the least polluted gas...?

(i) Carbon
(ii) Nitrogen

(iii) Chlorine
(iv) None of these

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Latest MCQs

A chemical solution has 8% acid the acid is 15 ml the total volume of solution is...?

(i) 179.5 ml
(ii) 180.5 ml

(iii) 187.5 ml
(iv) None of these

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Latest MCQs

Bronze is an alloy of...?

(i) Copper and Bronze
(ii) Lead and Tin

(iii) Copper and Tin
(iv) None of these

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Latest MCQs

Cooking gas is mixture of which of the following two gases...?

(i) Methane & Carbon dioxide
(ii) Oxygen & Nitrogen

(iii) Butane & Propane
(iv) Oxygen & Methane

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Latest MCQs

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

(i) Hydrogen
(ii) Aluminum

(iii) Oxygen
(iv) Gold

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Latest MCQs

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

(i) Graphite
(ii) Silicon

(iii) Charcoal
(iv) Slate

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Latest MCQs

Which one of the following is a metal...?

(i) Gypsum
(ii) Mercury

(iii) Limestone
(iv) Granite

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Latest MCQs

Vaccination was discovered by...?

(i) Galileo
(ii) Edward Jenner

(iii) Baird
(iv) Roentgen

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