Top 1000+ Solved Chemistry MCQ Questions Answer

a. electrostatic forces of repulsion

b. electrostatic force of attraction

c. speed of the electron

d. nuclear charge

a. Quantity

b. Chemical Composition

c. Both Quantity and Chemical com position

d. None of the above

a. 5

b. 6

c. 7

d. 8

a. Aluminum

b. Chlorine

c. Calcium

d. Zinc

a. Diamond

b. Dry ice

c. Table salt

d. All are ionic solids

a. It is found in the upper atmosphere filters potentially damaging ultraviolet light from reaching the Earth‘s surface

b. It is lighter than oxygen that is why it is found in the upper atmosphere

c. It is an allotrope of oxygen

d. All are correct

a. Oxidation takes place at Cathode and Reduction Takes Place at Anode

b. Oxidation takes place at Anode and Reduction Takes place at Cathode

c. Both Oxidation and Reduction takes place at cathode

d. Both Oxidation and Reduction takes place at Anode

a. 17 Protons + 18 Neutrons

b. 17 Neutrons + 18 protons

c. 17 Neutrons + 17 Protons + 1 electron

d. None of the above

a. 90%

b. 91.67%

c. 95.5%

d. 98%

a. Copper

b. Silver

c. Zinc

d. Gold

a. carbon

b. silicon

c. hydrogen

d. aluminium

a. sodium sulphite

b. sodium bicarbonate

c. sodiun carbonate

d. sodium biosulphite

a. thorium

b. radium

c. plutonium

d. uranium

a. Analgesic

b. Anaesthetic

c. Antimalarial

d. Antibiotic

a. Sodium isothiocyanate

b. Potassium isothiocyanate

c. Ethyl isothiocyanate

d. Methyl isothiocyanate