Cement is formed by burning of _________ in a hot kiln.

limestone and clay

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limestone and graphite

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chalk and graphite

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sulphur and limestone

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Solution

The correct option is B limestone and graphite
Cement is formed by burning of graphite and limestone in a hot kiln. Many other materials such as shells , chalk or marl combined with shale, clay, slate blast furnace slag , silica sand and iron ore are also used in manufacture of cement.

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Question 8(a)
A cement company earns a profit of Rs 8 per bag of white cements old and a loss of Rs 5 per bag of grey cements old.
The company sells 3,000 bags of white cement and 5,000 bags of grey cement in a month. What is its profit or loss?

Q. A cement company earns a profit of ₹8 per bag of white cement sold and a loss of ₹5 per bag of grey cement sold. The company sells 3,000 bags of white cement and 5,000 bags of grey cement in a month. What is its profit or loss?

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Cement is formed by burning of _________ in a hot kiln.

The correct option is B limestone and graphiteCement is formed by burning of graphite and limestone in a hot kiln. Many other materials such as shells , chalk or marl combined with shale, clay, slate blast furnace slag , silica sand and iron ore are also used in manufacture of cement.

The correct option is B limestone and graphite
Cement is formed by burning of graphite and limestone in a hot kiln. Many other materials such as shells , chalk or marl combined with shale, clay, slate blast furnace slag , silica sand and iron ore are also used in manufacture of cement.