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