1.
The salts of which of the following give green colour in fire works?
2.
Read the Question given below
3.
Which of the following metals does not form ionic hydride?
4.
Read the Question given below
5.
Tin dissolves in excess of sodium hydroxide solution to form:
6.
Which of the following metal dissolves in KOH with the evolution of hydrogen?
7.
Which of the following metal is used for drying organic solvents
8.
‘X’ is a substance which chemically combines with impurities associated with the ore to form easily fusible mass ‘Y’. Here X and Y are :
9.
Be and Al exhibit many properties which are similar. But the two elements differ in:
10.
In electrochemical corrosion of metals, the metal undergoing corrosion becomes:
