1
NDA 2018 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following gives the highest amount of hydrogen ions (H+) ?
A
Sodium hydroxide solution
B
Milk of magnesia
C
Lemon juice
D
Gastric juice
2
NDA 2018 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Brine is an aqueous solution of
A
NaCl
B
NaOH
C
NaHCO3
D
Na2CO3
3
NDA 2018 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following is the chemical formula of washing soda?
A
NaHCO3
B
Na2CO3 . 10H2O
C
Na2CO3 . 5H2O
D
NaOH
4
NDA 2018 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following is not true for bleaching powder?
A
It is used as a reducing agent in chemical industries
B
it is used for bleaching wood pulp in paper factories
C
It is used for disinfecting drinking water
D
It is used for bleaching linen in textile industry
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