200 cm3
100 cm3
40 cm3
20 cm3
Correct answer is B
No explanation has been provided for this answer.
Which of the following salts on hydrolysis would give an alkaline solution?
NH4CI(s)
AICI3(s)
CH3COONa(s)
NH4NO3(s)
Correct answer is C
No explanation has been provided for this answer.
The gases produced when Cu(NO3)2(s) was heated are
NO and NO2
O2 and NO
NO2 and N2O4
O2 and NO2
Correct answer is B
No explanation has been provided for this answer.
Which of the following substances with the corresponding pH value is an alkali?
Substance pH
Lime 2.4
Banana 4.6
Distilled water 7.0
Milk of magnesia 10.5
Correct answer is D
No explanation has been provided for this answer.
Zinc oxide is said to be amphoteric because it
forms an acid salt
is an insoluble base
forms a double salt
reacts with a base or an acid
Correct answer is D
No explanation has been provided for this answer.