Question

which of the following are not a pair of compounds a) carbon-di-oxide, water b) copper sulphate, sodium chloride c) bronze, carbon-di-oxide d) sugar, water​

Answer 1

Answer:

c) bronze, carbon-di-oxide

Explanation:

Bronze is not an element. It is an Alloy made with Copper and Tin, the compound cannot be made with carbon dioxide.

Answer 2

• From the question the correct option is c.

• As we know that a substance that is made up of two or more elements is known as a compound.

• A compound in a fixed proportion is chemically combined by mass. it is not separated into its component.

• Bronze is an alloy, it cannot react with CO2 to form a compound. it is formed of tin and copper.

• Hence bronze, carbon-di-oxide is not a pair of compounds.