__________react only with water vapour.
Mg
Fe
Cu
None of above
Pick the odd one out.
Gold
Zn
Silver
Platinum
It is dangerous to increase _________in our body.
Sodium
Iron
Calcium
Potassium
Na
Au(gold)
K
Ca
Lack of _________causes stroke.
Brass
Bronze
Phosphor Bronze
Solder
Find out the odd one.
Carrot
Pumpkin
Brinjal
Rose
Metal which reacts with cold water is
Magnesium
For making the body of ships __________is used.
Magnatium
Duralumin
Nichrome
Ag