Q.26] Mention two uses of manganese .
Ans] Manganese is an important mineral ---------- increases the strength of steel. [pg 117]
Q.27] Name two leading producers of manganese.
Ans] Orissa & Karnataka.
Q.28 a] Why is bauxite important?
Ans] Bauxite is the raw material for Aluminium ------------- aluminium oxides.
b] Which states lead in the production of it ?
Ans] Orissa, Jharkhand ,are the major producers .
28.a] Name major lime stone- producing areas ?
Ans] Large reserves are found ----------- main producers of limestone .
b] Name one producing district in the following states of MP & Rajasthan .
Ans] Madhya Pradesh : limestone is mined -------------- Bikaner &Ajmer districts.
c] Name any two products for which limestone is used as a raw material.
Ans] Its used in various industries ---------------- glass & fertilisers.
Q.30] Match the column A with column B .
Ans] Answer it with the help of your text book .
Ans] Manganese is an important mineral ---------- increases the strength of steel. [pg 117]
Q.27] Name two leading producers of manganese.
Ans] Orissa & Karnataka.
Q.28 a] Why is bauxite important?
Ans] Bauxite is the raw material for Aluminium ------------- aluminium oxides.
b] Which states lead in the production of it ?
Ans] Orissa, Jharkhand ,are the major producers .
28.a] Name major lime stone- producing areas ?
Ans] Large reserves are found ----------- main producers of limestone .
b] Name one producing district in the following states of MP & Rajasthan .
Ans] Madhya Pradesh : limestone is mined -------------- Bikaner &Ajmer districts.
c] Name any two products for which limestone is used as a raw material.
Ans] Its used in various industries ---------------- glass & fertilisers.
Q.30] Match the column A with column B .
Ans] Answer it with the help of your text book .
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