For burning, which agent is necessary...? Mcqs

Latest MCQs

For burning, which agent is necessary...?

(A) Oxygen
(B) Hydrogen

(C) Carbon
(D) Fire

Latest MCQs

Larva of butterfly is also called...?

(A) Eggs
(B) Caterpillar

(C) Pupa
(D) Adult

Latest MCQs

Diamond is harder than Graphite because of___________...?

(A) Difference in crystalline Structure
(B) Tetrahedral structure of diamond

(C) Difference in layer of atoms
(D) None of these

Latest MCQs

Which one of the following represents a chemical change_________...?

(A) Sublimation of iodine
(B) Heating a platinum wire in a Bunsen flame

(C) Heating of mercuric oxide powder
(D) Evaporation of alcohol

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The deficiency of vitamin K causes ________ ...?

(A) Loss of appetite
(B) Scurvy

(C) Sterility
(D) Blood clotting disorder

Latest MCQs

For which system does the equilibrium constant, Kc has units of concentration....?

(A) N2(g) + 3H2(g) ⇌ 2NH3(g)
(B) N2(g) + 02(g) ⇌ 2NO

(C) H2(g) +12(g) ⇌ 2HI(g)
(D) CO2(g) + H3(g) ⇌ CO + H2O(l)

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The metal, which is a constituent of vitamin B12 is____________...?

(A) Iron
(B) Magnesium

(C) Zinc
(D) Cobalt

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The speed of light in vacuum is about...?

(A) 300 Million meters per second
(B) 300 Million meters per hour

(C) 300 Million kilometers per second
(D) 300 Million kilometers per hour

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A localized group of organisms that belong to the same species is called a ____...?

(A) Biosphere
(B) Community

(C) Ecosystem
(D) Population

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All matter is made of ___________...?

(A) Air
(B) Water

(C) Vibrations
(D) Atoms

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