Which substance is commonly used to manufacture dyes and detergents?

Diagram shows the stages in Contact Process.

Name the substances P and Q.

The manufacturing of sulphuric acid involves several reactions. Which of the following equations represents the sulphuric acid reaction that use a catalyst?

Which gas is the main agent of pollution which causes acidic rain?

Acid rain causes the land to be acidic. Farmers neutralize the acidity in the soil by adding................

Which of the following is the main usage of the product in Haber Process?

The chemical equation shows the reaction which occurs in Haber Process.

N₂ + 3H₂ --> NH₃

_{Which of the following represents catalyst, temperature and presure in the process?}

Pure metals are ductile and malleable. this is because...........

Diagram below shows the atomic arrangement in an alloy.

this alloy is harder than its pure metal because..........

diagram shows the arrangement of atoms in alloy X.

What is the name of alloy X?