PRACTICE TEST -1-Class 10 – Science -Chemistry -chapter 2- Acids, Bases and Salt

When an acid reacts with a metal carbonate or metal hydrogen carbonate, it gives the corresponding salt, gas and product. Name the gas and product?

Since there are 10 water molecules in washing soda, hence it is known as:

The blue-green colour of the solution is due to the formation of copper(II) chloride in the reaction' is an example of which kind of chemical reaction?