Question Detail

The metallurgical process in which a metal is obtained in a fused state is called ?

roasting
calcinations
smelting
froth floatation

Answer: Option C

Similar Questions :

1. Brass is an alloy of ?

Copper and Tin
Copper and Zinc
Copper and Aluminium
Iron and Copper

Answer: Option B

2. The metal that is used as a catalyst in the hydrogenation of oils is ?

Pb
Ni
Cu
Pt

Answer: Option B

3. The gas used for artificial ripening of green fruit is ?

ethane
ethylene
carbon dioxide
acetylene

Answer: Option B

4. What is used to avoid melting of ice ?

Gelatine
Butane
Methane
Any acid

Answer: Option A

5. Conduction band electrons have more mobility than holes because they are

experience collision more frequently
experience collision less frequently
have negative charge
need less energy to move them

Answer: Option B

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