Which one of the following forms weak electrolyte solution with water...? Mcqs

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Which one of the following forms weak electrolyte solution with water...?

(A) CH₃COOH
(B) H₂SO₄

(C) NaCl
(D) None of these

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The water has minimum density at _____...?

(A) O°C
(B) 2°C

(C) 3°C
(D) 4°C

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In periodic table elements are arranged according to ____...?

(A) Increasing atomic mass
(B) Decreasing atomic number

(C) Both A and B
(D) Increasing in atomic number

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The S. I. unit of refractive index is _______...?

(A) meter
(B) cm

(C) watt
(D) no unit

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The main culprit of greenhouse effect is Carbon dioxide. But which is the second element contributing most to greenhouse effect...?

(A) Nitrogen Dioxide (NO2)
(B) Chlorofluorocarbons (CFCs)

(C) Methane (CH4)
(D) High-fructose corn syrup (HFCs)

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Solids, liquids and gases mix together to form...?

(A) Mixture
(B) Compound

(C) Element
(D) Solution

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What is the chemical name of Oil of Vitriol...?

(A) Hydrochloric Acid
(B) Sulphuric Acid

(C) Nitric Acid
(D) Muriatic Acid

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Lake, sea, wetland, river, ocean, pond is/are an examples of...?

(A) Water Environments
(B) Land Environments

(C) Both A and B
(D) None

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Earthquake waves travel faster in __________...?

(A) Water
(B) Flexibl rock

(C) Air
(D) Soil

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The most abundant constituent in Air is ______...?

(A) Hydrogen
(B) Oxygen

(C) Nitrogen
(D) Carbon Dioxide

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