- (A) Sodium and Lithium
- (B) Lithium and magnesium
- (C) Lithium and beryllium
- (D) Boron and Beryllium
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- (A) Lithium
- (B) Sodium
- (C) Potassium
- (D) Rubidium
- (A) Ca and P
- (B) S and P
- (C) Ca and S
- (D) we could not apply
- (A) Water
- (B) HCI
- (C) Na+
- (D) NaCl
- (A) Na2CO3
- (B) K2CO3
- (C) (NH4)2CO3
- (D) CaCO3
- (A) Graphite
- (B) Copper
- (C) Molten sodium chloride
- (D) Mercury
- (A) Gypsum
- (B) Dolomite
- (C) Calcite
- (D) Plaster of Paris
- (A) Heating sod. Salt of Benzoic acid with soda lime
- (B) Distilling phenol with Zn dust
- (C) Chlorobenzene with NaOH at 360°C & 150atm.
- (D) Hydrolysis of benzene sulphonic acid with super heated steam
- (A) Cr2O3 + A2O3 + SiO2
- (B) Raney nickel
- (C) Organo-nickel
- (D) Ni 250 – 300°C
- (A) 150.5 kJ/mol
- (B) 250.5 kJ/mol
- (C) 150.5 Cal/mol
- (D) 250.5 Cal/mol

