James Chadwick is known for his discovery...? Mcqs

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James Chadwick is known for his discovery...?

(A) Proton
(B) Neutron

(C) Electron
(D) None of these

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

(A) Acetic Acid
(B) Nitric acid

(C) Sulfuric acid
(D) Hydrochloric acid

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Another name for baking soda is:...?

(A) Sodium Bicarbonate
(B) Sodium Carbonate

(C) Sodium Sulphate
(D) Sodium Hydroxide

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Solid can be converted directly to the gaseous state. This process is known as:...?

(A) Sublimation
(B) Evaporation

(C) Condensation
(D) Diffusion

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Which gas is used in fire extinguisher...?

(A) Nitrogen
(B) Carbon Dioxide

(C) Oxygen
(D) Nitrogen

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Bio gas is the common name of...?

(A) Methane (CH₄)
(B) Hydrogen gas

(C) Nitrogen gas
(D) Oxygen gas

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Ascorbic acid is...?

(A) Vitamin A
(B) Vitamin C

(C) Vitamin D
(D) non of these

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Which metal is found in liquid state at room temperature?...?

(A) Iron
(B) Zinc

(C) Aluminum
(D) Mercury

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What are liquids that evaporate quickly, called...?

(A) Volatile
(B) Viscous

(C) Evaporative
(D) None of these

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Nitrogen boils at a temperature of:...?

(A) -96 °C
(B) -196 °C

(C) -296 °C
(D) -310 °C

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