Which of the following elements would produce coloured io...
Which of the following elements would produce coloured ions in aqueous solution?
Calcium
lron
Magnesium
Sodium
Correct answer is B
No explanation has been provided for this answer.
A mixture of iodine and sulphur crystals can be separated by treatment with? ...
Alkanones are generally obtained by the oxidation of ...
The change in the oxidation state of iron in the reaction represented by the equation: \(2FeCl...
Catalytic hydrogenation of benzene produces ...
One of the products of combustion of pentane in excess air is ...
An oxide has the following properties. It I. is a white powder II. reacts with HCI. III. reac...
Unsaturated organic compounds are identified by decolourization of ...
A pure solid usually melts? ...
Which of the following is a condition for a spontaneous reaction? ...