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Chemistry

Chemistry
Which of the following substance's smell is similar to Ethanoic acid?

Vinegar
Tomato juice
Lemon
Kerosene

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Chemistry
What is the mass percentage of carbon in carbon dioxide (CO2)

0.158
0.323
0.273
0.201

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Chemistry
Chemical formula of washing soda is

Na2SO4.10H2O
Ca(OH)2
Na2CO3.10H2O
NaHCO3

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Chemistry
The most reactive among the halogens is

Chlorine
Iodine
Fluorine
Bromine

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Chemistry
Which of the following is used as a preservative to protect processed food?

Sodium sulphate
BHT
Sodium metabisulphite
Saccharin

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Chemistry
Coating of solid waste with impervious material is known as

Encapsulation
Chemical fixation
Capping
Landfill

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MORE MCQ ON Chemistry

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