Chemistry Past Paper Questions

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Q 51:A disease that causes bone and tooth damage is:
A
Hepatitis
B
Fluorosis
C
Jaundice
D
Cholera
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Q 52:A reaction between an acid and a base produces:
A
Salt and Gas
B
Salt and base
C
Salt and acid
D
Salt and water
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Q 53:A reverse reaction is one:
A
Which proceeds from left to right
B
In which reactants react to form products
C
Slow down gradually
D
Speed up gradually
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Q 54:About 99% atmosphere's mass lies within:
A
30Km
B
35Km
C
15Km
D
11Km
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Q 55:Acetic acid is used for:
A
Flavoring food
B
Making explosives
C
Etching Designs
D
Cleaning Metals
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Q 56:Active mass is generally expressed as:
A
()
B
{}
C
[]
D
⌽
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Q 57:Formula of palmitic acid is:
A
C14H29COOH
B
C14H31COOH
C
C15H31COOH
D
C15H29COOH
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Q 58:How many blocks are there in the modern periodic table of elements:
A
2
B
4
C
6
D
8
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Q 59:Absolute zero is the temperature at which an ideal gas would have _____ volume:
A
Maximum
B
Minimum
C
22.4dm3
D
Zero
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Q 60:A spontaneous chemical reaction takes place in:
A
Electrolytic Cell
B
Galvanic Cell
C
Nelson's cell
D
Down's Cell
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Total MCQs: 1548Page 6 of 155
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