Chemistry MCQ’s Quiz Questions for NTS, PPSC, CSS, FPSC, PMS, OTS, PTS Tests and Interviews. MCQs are taken from Caravan Comprehensive book. These Multiple Choice Questions of Chemistry are posted here for preparation of Job tests and Entry tests like MCAT and ECAT etc.<\/p>\n
1. Which of the following gases is used in me extinguishers?<\/strong><\/p>\n (a) Oxygen 2. Stains of rust from iron on cloth can be removed by ______?<\/strong><\/p>\n (a) Hydrogen peroxide 3. Cooking gas is a mixture of which of the following two gases?<\/strong><\/p>\n (a) Methane and Carbon dioxide 4. Nameplates made of brass get discolored in air because of the presence of which of the following gases in the air?<\/strong><\/p>\n (a) Oxygen 5. On addition of salt to water, its______?<\/strong><\/p>\n (a) Boiling point increases<\/span> 6. Which of the following gases does not pollute air?<\/strong><\/p>\n (a) Carbon dioxide 7. The inorganic natural resource of the earth is_______?<\/strong><\/p>\n (a) Mineral fuels<\/span> 8. Which one of the following has the highest fuel value?<\/strong><\/p>\n (a) Hydrogen<\/span> 9. The characteristic odour of garlic is due to _______?<\/strong><\/p>\n (a) A chloro compound 10. Which of the following group of compounds constitute carbohydrates?<\/strong><\/p>\n (a) Fats and sugar 11. What is the chemical name of Baking Soda?<\/strong><\/p>\n (a) Sodium bicarbonate<\/span> 12. Milk lacks in one important nutrient, which?<\/strong><\/p>\n (a) Calcium 13. Ripening of fruits is hastened by which of the following gases?<\/strong><\/p>\n (a) Hydrogen 14. Iron articles rust because of the formation of _______?<\/strong><\/p>\n (a) ferrous chloride 15. Gunpowder consists of _______?<\/strong><\/p>\n (a) 75% potassium nitrite + 15% charcoal + 10% Sulphur See More<\/p>\n Chemistry MCQ’s Quiz Questions for Competitive Exams with Answers VOL 2<\/a><\/p>\n
\n(b) Hydrogen
\n(c) Water vapor
\n(d) Carbon dioxide<\/span><\/p>\n
\n(b) Alcohol
\n(c) Oxalic acid<\/span>
\n(d) Petrol<\/p>\n
\n(b) Oxygen and Nitrogen
\n(c) Bautane and Propane
\n(d) Oxygen and Methane<\/span><\/p>\n
\n(b) Nitrogen
\n(c) Carbon dioxide
\n(d) Hydrogen sulphide<\/span><\/p>\n
\n(b) Boiling point decreases
\n(c) Boiling point is not affected
\n(d) Freezing point increases<\/p>\n
\n(b) Carbon monoxide
\n(c) Nitrogen dioxide<\/span>
\n(d) Sulphur dioxide<\/p>\n
\n(b) Wood
\n(c) Coal
\n(d) Microbes<\/p>\n
\n(b) Charcoal
\n(c) Naturaigas
\n(d) Gasoline<\/p>\n
\n(b) A sulphur compound<\/span>
\n(c) A fluorine compound
\n(d) Acetic acid<\/p>\n
\n(b) Fats, sugar and proteins
\n(c) Starch, sugar and proteins
\n(d) Starch and sugar<\/span><\/p>\n
\n(b) Sodium Nitrate
\n(c) Sodium Carbonate
\n(d) Potassium<\/p>\n
\n(b) Iron<\/span>
\n(c) Potassium
\n(d) Protein<\/p>\n
\n(b) Carbon dioxide
\n(c) Methane
\n(d) Ethylene<\/span><\/p>\n
\n(b) a mixture of ferrous and ferric hydroxide<\/span>
\n(c) sodium carbonate
\n(d) ferric chloride<\/p>\n
\n(b) 75% potassium nitrite + 10% charcoal + 15% Sulphur
\n(c) 75% potassium nitrate + 10% charcoal + 15% Sulphur<\/span>
\n(d) 75% potassium nitrate + 15% charcoal + 10% Sulphur<\/p>\n