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Chemistry

Chemistry
Water gas is the combination of

CO and H2O
CO2 and CO
CO and H2
CO2and H2

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Chemistry
Which one of the following is an example of a gel ?

Face cream
Milk
Shaving cream
Cheese

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Chemistry
Silica gel is a

Flavouring agent
Drying agent
Moisturizer
Delicious food

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Chemistry
Stains of rust on clothes can be removed by :

Alcohol
Oxalic acid
Petrol
H2O2

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Chemistry
The first metal used by a man was

Silver
Brass
Copper
Bronze

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Chemistry
PH scale ranges from

0 – 14
8 – 14
None
0 – 7

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