Question Detail

Due to rusting the weight of iron

Decreases
Increases
Remains the same
Uncertain

Answer: Option B

Similar Questions :

1. Which of the following is produced during the formation of photochemical smog ?

Nitrogen Oxides
Hydrocarbons
Methane
Ozone

Answer: Option D

2. Acid rain is due to air pollution by ?

Carbon dioxide
Carbon monoxide
Methane
Nitrous oxide and Sulphur dioxide

Answer: Option D

3. Which acid is present in lemon ?

marlic acid
citric acid
lactic acid
tartaric acid

Answer: Option B

Explanation:

citric acid is present in lemon.

4. What is extracted from Bauxite ?

Mica
Aluminium
Copper
Tin

Answer: Option B

5. How many different oxides are formed by nitrogen ?

two
three
four
five

Answer: Option A

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