Question Detail

The metal used to recover copper from a solution of copper sulphate is ?

Na
Ag
Hg
Fe

Answer: Option D

Similar Questions :

1. Enzymes are

Fatty acids
Carbohydrates
Nucleic acids
Proteins

Answer: Option D

2. Alloys made with mercury as one metal are called ?

mixtures
emulsions
solders
amalgams

Answer: Option D

3. Nail polish remover contains ?

benzene
acetic acid
acetone
petroleum ether

Answer: Option C

4. Which of the following gas is used in cigarette lighters ?

Butane
Propane
Methane
Ethane

Answer: Option A

5. What is the chemical name of table salt ?

Sodium nitrate
Ammonium chloride
Sodium chloride
Calcium chloride

Answer: Option C

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