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514.72 = ? – 172.03 ? = 514.72 + 172.03 ? = 686.75
Which planet is known as the "Red Planet"?
Which chemical compound is used as a preservative in some sauces and beverages to retain color and inhibit bacteria?
When copper sulphate solution reacts with iron metal, copper metal is formed. Which of the following reactions is this?
Identify the pairing that is not correctly matched.
(I) Dry ice - Solid form of carbon dioxide
(II) Fullerene - An allotrope of hydr...
Which one of the following is also called 'Fruit Sugar?
Which of the following is used in alcoholic drinks?
What type of glass is used in the manufacturing of cooking utensils?
What is the primary use of calcium carbonate in antacid tablets?
Which of the following is NOT a base?
What is the chemical formula of the mineral malachite?