96.Commercially, sodium bicarbonate is known as A. Washing - TopicsExpress



          

96.Commercially, sodium bicarbonate is known as A. Washing soda B. Baking soda C. Bleaching powder D. Soda ash 97.Acetyl salicylic acid is commonly used as A. A pain killer B. A sedative C. Tear gas D. A fertilizer 98.Which metal is commonly used for making an electromagnet? A. Copper B. Cobalt C. Iron D. Nickel 99.The gas that is responsible for global warming is A. Carbon dioxide B. Oxygen C. Methane D. Sulphur dioxide 100.Which of the following is the source of common salt? A. Bauxite B. Pyrite C. Calcite D. Halite
Posted on: Mon, 08 Jul 2013 10:45:37 +0000

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