Another name for baking soda is:...? Mcqs

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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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What is the most abundant element in the universe...?

(A) Hydrogen
(B) Oxygen

(C) Sodium
(D) Copper

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The most abundant metal in the earth's crust is:...?

(A) Zinc
(B) Copper

(C) Aluminum
(D) Iron

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splitting of water into hydrogen and oxygen is an example of ______...?

(A) Evaporation
(B) Condensation

(C) Decomposition
(D) Sublimation

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

(A) Graphite
(B) Silicon

(C) Charcoal
(D) Slate

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Vaccination was discovered by...?

(A) Galileo
(B) Edward Jenner

(C) Baird
(D) Roentgen

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The process of emoving water in the form of vapour from theleaves is called:...?

(A) Nutrition
(B) Respiration

(C) Perspiratin
(D) Transpiration

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Low silicon, oxygen and High iron, magnesium are the characteristics ____of magma...?

(A) Mafic and Felsic
(B) Felsic and Rhyoltic

(C) Mafic and Basaltic
(D) None of these

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Which of the following is an electrolyte...?

(A) NaCl
(B) Oil

(C) Ethanol
(D) None of these

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Which gas is known as laughing gas...?

(A) Nitrous oxide N2O
(B) Nitrogen

(C) Methane
(D) None of these

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