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Subjects
Science State Board
Class 9
Acids, bases and salts
Classification, chemical and physical properties
16.
Acids, bases and salts: Choose the correct answer
Exercise condition:
4
m.
1
.
Though acids react with metals and liberate hydrogen gas, some metals do not. From the following metals, which does not liberate hydrogen gas?
Copper
Cesium
Zinc
Magnesium
2
.
Which of the following is a strong base?
Calcium chloride
Sodium hydroxide
Ammonium hydroxide
Sodium chloride
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