Question

By squeezing lemon on a piece of rock the gas liberated turned lime water milky. Which compound is present in the rock? *​

Answer 1

Answer:

Calcium carbonate turns the lime water milky.

Answer 2

Answer:

When lemon is squeezed onto the rock, a gas is liberated. This gas turned the lime water milky. This confirms that Carbon dioxide is present in the rock. This is because insoluble calcium carbonate that is CaCO3 is formed.