Write chemical equations for the following reactions:   (i) Calcium metal reacts wit
Channel: Doubtnut
Date: 2020-04-12

Write chemical equations for the following reactions:   (i) Calcium metal reacts with water.   (ii) Cinnabar is heated in the presence of air.   (iii) Manganese dioxide is heated with aluminium powder.   (b) What are alloys? List two properties of alloys.