The alcohol used in the preparation of dynamite is________...? Mcqs

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The alcohol used in the preparation of dynamite is________...?

(A) ethyl alcohol
(B) glycerol

(C) glycol
(D) methyl alcohol

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Which gas is used by the green plants to make their food...?

(A) O2
(B) CO2

(C) CO
(D) N2

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All matter is made of ___________...?

(A) Air
(B) Water

(C) Vibrations
(D) Atoms

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The maximum mass of an atom is concentrated in _____...?

(A) Electron
(B) Proton

(C) Neutron
(D) Nucleus

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Which of the following cannot be stored in glass bottle...?

(A) Aqua regia
(B) HF

(C) HCL
(D) HBr

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The snow on the mountains does NOT melt all at once when it is heated by the sun because:...?

(A) it becomes very hard
(B) it reflects most of the heat from the sun

(C) it has a low specific heat capacity
(D) it has a high latent heat of fusion

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Orbital period of the planet Mercury around the sun is _____________...?

(A) 88 days
(B) 365 days

(C) 2 years
(D) 98 days

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How many milky teeth or primary teeth does a human have...?

(A) 33
(B) 20

(C) 15
(D) 32

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Which among the following is not an example of mixture...?

(A) Common Salt
(B) Steel

(C) Sharbat
(D) Tea

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Earthquake waves travel faster in __________...?

(A) Water
(B) Flexibl rock

(C) Air
(D) Soil

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