Question

1.Which among the following statements is incorrect for magnesium metal?

(a) It burns in oxygen with a dazzling white flame.

(b) It reacts with cold water to form magnesium oxide and evolves hydrogen gas.

(c) It reacts with hot water to form magnesium hydroxide and evolves hydrogen gas.

(d) It reacts with steam to form magnesium hydroxide and evolves hydrogen gas.



2. Reaction between X and Y, forms compound Z. X loses electrons and Y gains electrons. Which of the following properties is not shown by Z?

(a) Has high melting point

(b) Has low melting point

(c) Conducts electricity in molten state

(d) Occurs as solid

Answer 1

Answer:

1

a)

d)

2

c)

Explanation:

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Answer 2

Answer:

1) = C

2) = B

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