Common name Test 14 (Chemistry) Welcome to your Common name Test 14 (Chemistry) Name Email 1.Five to eight per cent solution of acetic acid in water is known as: (a) vinegar (b) lime (c) alcohol (d) quicklime None 2. Ethanoic acid is also known as glacial acetic acid as it: (a) crystallizes easily (b) is volatile during winter (c) freezes in cold climate (d) is a liquid during winter None 3.Which of the following is the primary component of quartz? (a) Aluminium (b) Silica (c) Zinc (d) Iron None 4. Which of the following is the scientific name of the mineral called chromite? (a) Aluminium chromium oxide (b) Copper chromium oxide (c) Silver chromium oxide (d) Iron chromium oxide None 5.Which of the following elements is NOT a component of baking soda? (a) Hydrogen (b) Calcium (c) Sodium (d) Oxygen None 6.. Which of the following is NOT a use of washing soda? (a) It can be used as a cleaning agent for domestic purposes. (b) It is used in glass, soap and paper industries. (c) It is used to make drinking water free from germs. (d) It is used for removing permanent hardness of water None 7.What is the generic name of calcium sulphate hemihydrate? (a) Baking soda (b) Plaster of Paris (c) Detergent powder (d) Vinegar None 8.Which of the following is the other name for 'Marsh Gas'? (a) Methane (b) Propane (c) Ethane (d) Butane None 9.Which of the following is the common name of a natural admixture mineral of zinc carbonate and hydrous zinc silicate? (a) Chalk (b) Borax (c) Calamine (d) Benzol None 10. What is the chemical symbol of magnesium? (a) Mg (b) Ma (c) Ms (d) Mn None 11.Saltpetre is another name for ______. (a) potassium nitrate (b) potassium chloride (c) sodium chloride (d) sodium hydroxide None 12.Aqua regia is a freshly prepared mixture of concentrated hydrochloric acid and concentrated nitric acid. What is the ratio of this mixture? (a) 2 : 3 (b) 2 : 1 (c) 2 : 2 (d) 3 : 1 None 13.Which of the following is the chemical formula for Nitre (saltpeter)? (a) (b) (c) (d) None 14.Which of the following gas is referred to as ‘laughing gas’? (a)Sulfur dioxide (b)Carbon monoxide (c)Carbon dioxide (d)Nitrous oxide None 15.What is the chemical name of ‘oil of vitriol’? (a) Calcium hydroxide (b) Methyl alcohol (c) Sulfuric acid (d) Sodium chloride/ None 16.Which of the following is also known as Epsom salt? (a) Sodium Sulphate (b) Magnesium Sulphate (c) Ferrous Sulphate (d) Calcium Sulphate None 17.Methane is colourless, odourless non-toxic but flammable gas. What is its common name? (a) Blue Vitriol (b) Laughing Gas (c) Heating Gas (d) Marsh Gas None 18. Calcium sulphate dihydrate is commonly known as____. (a)glass (b)gypsum (c)asbestos (d)limestone None 19.What is the chemical name of slaked lime? (a)Calcium Nitrate (b)Sodium Chloride (c)Calcium Chloride (d)Calcium Hydroxide None 20.What is the chemical name of Dry Ice ? (a)Oxidane (b)Nitrogen Oxide (c)Sulphur Dioxide (d)Carbon Dioxide None 21.Which of the following is the chemical name of baking soda? (a)Sodium Carbonate (b) Sulphate (c)Sodium Hydrogen Carbonate (d)Calcium Hydroxide None 22.What is the popular name of “ Ascorbic Acid”? (a) Vitamin A (b) Vitamin B-12 (c) Vitamin K (d) Vitamin C None 23.Which is the more common name for solid carbon dioxide? (a) dry Ice (b) quick silver (c) potash (d) epsom None 24.Which among the following gases is also known as ‘Laughing Gas’? (a) Sulphur dioxide (b) Nitrogen oxide (c) Carbon dioxide (d) carbon Monoxide None 25.Which gas in its solid state is also known as dry ice? (a) Nitrogen (b)Carbon D (c)Oxygen (d) Hydrogen None Time's up
