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Chemistry

Chemistry
Which one of the following organic compounds has fruity smell?

Ether
Aldehyde
Alcohol
Ester

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Chemistry
The oil used in the froth floatation process is

olive oil
kerosene oil
pine oil
coconut oil

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Chemistry
Nitrogen is an essential constituent of all :

Proteins
Fats
Vitamins
Carbohydrates

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Chemistry
The most important ore of aluminium is

bauxite
haematite
monazite
magnetite

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Chemistry
Cement is formed by strongly heating a mixture of

Chalk and graphite
Limestone and clay
Clay and graphite
Limestone and graphite

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Chemistry
PH scale ranges from

0 – 7
8 – 14
None
0 – 14

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MORE MCQ ON Chemistry

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