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OBJECTIVE EVALUATIONTick () the correct option:1. The process of coating zincover an iron sheet:(a) Crystallisation(b) Galvanization(c) Alloying(d) None of the above2. Reaction in which acid and base react together is known as:(a) Acid-base reaction(b) Chemical reaction(c) Titration(d) Neutralisation3. When iron gets covered with a brown powdery substance, we call it as:(a) Alloying(b) Rusting(c) Electroplating(d) Refining4. Which of the following is a physical change:(a) burning of Mg(b) Rusting of iron(c) Glowing of bulb(d) None of the above5. Which of the following crystals can't be obtained:(a) CuSO4(b) Naci(c) MgSO(d) CarbonFill in the blanks: |
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Answer» Answer: 1 Galvanisation 2 Acid-base Reaction 3 Rusting 4 GLOWING of bulb 5 NACI |
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