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. The acid generally stored in batteries is

Nitric Acid
Hydrochloric Acid
Sulphuric Acid
Acetic Acid

Answer: Option C

2. Contact lenses are made from ?

Polyvinyl chloride
Teflon
Polystyrene
Lucite

Answer: Option A

3. Washing soda is ?

sodium sulphite
sodium bicarbonate
sodiun carbonate
sodium biosulphite

Answer: Option C

4. How many different oxides are formed by nitrogen ?

two
three
four
five

Answer: Option A

5. Due to rusting the weight of iron

Decreases
Increases
Remains the same
Uncertain

Answer: Option B

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