General Science 8th Class English Medium Online Test With Answers

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General Science 8th Class English Medium Online Test

Sr. # Questions Answers Choice
1 Sodium carbonate is an importnatsalt used for many purposes in indusies. Which acid is reacted with sodium hydroxide to get it. Oxalic acid Citric acid Acetic Acid Carbonic acid
2 Lactic Acid is found in. Grapes Tomatoes Ant's sring Yogurt
3 Sodium hydroxide solution in water will Turn blue litmus red Give pink colour with phenolpthalein Give red colour with methyl orange. Not affect the phenolphthalein indicator
4 The king of chemiclas is KOH HCl NaCl H2SO4
5 Exothermic reaction ae those reactions durng which heat is. Given out Remain same Absorbed Used
6 The chemicla reaction during which a compound splits up into two or more simple substanes, is called. Additon reaction Decomposition Replacement reaction Balanced reaction
7 During a chemical reaction, total mass of the product is equal to the total mass of reactants, this is a statements of. Law of conservation of momentum Law of conservation of energy Law of conseration of mass Law of conseration of acceleration
8 Fire works is an example of ........... reactions. Addition Exothermic Endothermic Decomposition
9 Law of conservation of mass put forward in. 1783 1784 1785 1786
10 Law fo conservation of mass was put forward by Newton Plank's Lavoisier Einstein
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