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Chemistry

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

Tomato juice
Kerosene
Lemon
Vinegar

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Chemistry
Which of the following metals form an amalgam with other metals ?

Lead
Zinc
Tin
Mercury

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Chemistry
Sea water can be purified by the process of

Distillation
Evaporation
Filtration
Fractional distillation

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Chemistry
Which type of radiations are absorbed by the upper layer of the atmosphere?

Infrared
Visible
Radio-waves
Ultraviolet

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Chemistry
Which of the following is not a precious/semi-precious stone?

Pearl
Emerald
Sapphire
Ruby

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Chemistry
Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs?

Methane
Helium
Nitrogen
Hydrogen

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MORE MCQ ON Chemistry

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