On heating, Gypsum loses certain percentage of its water content and becomes

Related MCQs

• An alloy used in making heating elements for electric heating device is -
• Gypsum is used for improvement of:
• The addition of gypsum to port-land cement helps in :
• Among the following iron ores, the highest percentage of iron content is found in—
• Heating of a ore below its melting point in the absence of air is known as –
• What is the maximum Water Vapour content in the atmosphere?
• Cement is formed by strongly heating a mixture of –
• Which of the following substances undergoes chemical change on heating?
• The process of improving the quality of rubber by heating it with sulphur is called.
• An electric iron has a heating element made of –