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Chemistry

Chemistry
Which component referred to as 'Milk sugar'?

Sucrose
Lactose
Galactose
Maltose

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Chemistry
The element used in the manufacture of safety matches is

Silicon
Magnesium
Phosphorous
Sulphur

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Chemistry
Nitric acid does not react with

Iron
Gold
Zinc
Copper

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Chemistry
Isobars are lines joining places having equal

Population
Rainfall
Height above sea-level
Pressure

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Chemistry
Which one of the following is most acidic

CaO
Al22O3
Na2O
MgO

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Chemistry
Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2

C and d
B and c
A and c
A and b

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