Top 1000+ Solved Chemistry MCQ Questions Answer

a. small size of fluorine atom

b. its high electro negativity

c. availability of d-orbitals

d. strong F - F bond

a. Wood

b. Ethanol

c. Cow dung

d. Atomic energy

a. N2

b. O2

c. Cl2

d. H2

a. Tartaric acid

b. Mahe acid

c. Oxalic acid

d. Acetic acid

a. Oxygen and Iron

b. Oxygen and Silicon

c. Silicon and Iron

d. Silicon and Aluminium

a. Lead

b. Manganese

c. Molybdenum

d. Mercury

a. Tendency to gain electrons

b. Low electronegativity

c. Low ionization energy

d. Malleability

a. Pigment

b. Elastin

c. Albumin

d. Keratin

a. R-rays

b. X-rays

c. Laser beam

d. Cosmic rays

a. Gold

b. Copper

c. Zinc

d. Iron

a. Exothermic reaction

b. Endothermic reaction

c. Sublimation reaction

d. Redux reaction

a. Number of electrons

b. Number of neutron

c. Number of protons

d. Total number of protons and neutrons

a. Protons and neutrons

b. Protons and electrons

c. Electrons

d. Protons

a. ammo

b. sulphur dioxide

c. hydrogen

d. carbon dioxide

a. 2

b. 3

c. 4

d. 1