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Chemistry - 9 Chapter - 9
Acids, Bases and Salts
Test - 9
1.
The titration of an acid or a base can be determined by molarity.
a) True
b) False
2.
Jabar Bin Haiyan prepared Nitric acid (HNO
3
), Hydrochloric Acid (HCl) and Sulphuric Acid (H
2
SO
4
) in____.
a) 1887
b) 1787
c) 1878
d) 1877
3.
Such oxygen containing binary compounds, which give acidic solution in water, were named as acids by Lavoisier?
a) True
b) False
4.
Sir Himphary Davy discovered in _______ that some acids are free from oxygen, e. g. HCl?
a) 1815
b) 1718
c) 1825
d) 1817
5.
The word acid is derived from a Latin word Acidus that means �sour�.
a) False
b) True
6.
Arrhenius Acid is a chemical compound which gives proton(H-)in water.
a) True
b) False
7.
Arrhenius Base is a chemical compound which gives hydroxide ion (OH+) in water.
a) False
b) True
8.
Lewis Acid is a substance which can accept an electron pair.
a) False
b) True
9.
Strong Base is a base, which can ionize partially in water giving excess of hydroxide ions.
a) False
b) True
10.
The acidity of a base is defined as the number of ionizable hydroxyl groups present in its molecule.
a) False
b) True
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