Question

A non-metal X burns in air to form a gas Y which is responsible for global warming

and used in photosynthesis by plants. When this gas Y dissolves in water it forms Z

which turns blue litmus red.

a. Identify X and Y.

b. Write down balanced chemical equations of reactions involved.

c. Why does the solution (Z) of the component Y in water turns blue litmus red.

d. Name a non-metal which is stored in water to prevent its reaction with air.​

Answer 1

Answer:

X is carbon or coal and y is carbon dioxide and it forms acid when dissolved in water

Answer 2

Answer:

A ray of light passing through a certain point of a lens does not undergo any deviation. What point is this? Show with the help of diagram.