Question

27. A metal ribbon 'X' when ignited, burns with a bright white light and forms a white powder 'Y. The powder on dissolution in water, forms a
product Z. This product Z changes the colour of litmus paper.
() Identify 'X', 'Yand Z.
i) What happens when product 'Z' is treated with red litmus paper? Give reason for the
observation
ii) Write a balanced chemical equation for the formation of 'Z' from the reaction of 'Y' with water​

Answer 1

Answer:

1) X = Magnesium

Y = Magnesium oxide.

Z = Magnesium Hydroxide.

2) Red litmus paper changes to blue because magnesium hydroxide is a basic solution.

3 ) MgO + H2O == Mg(OH)2.

Please mark it as brainliest.

Answer 2

Explanation:

1) guess

X-magnesium

Y- magnesium oxide

Z-magnesium hydroxide

2) It turns red litmus paper blue because it is basic in nature..

3) MgO+H2O gives Mg(OH)2

here 2 is in legs of reaction..

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