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Chemistry

Chemistry
The apparatus used to test acidity of aqueous solution is

Ammeter
Acidmeter
Hygrometer
PH meter

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Chemistry
Iodine value is used to estimate

Unsaturation in oil
Alkali content in oil
Carboxylic groups in oil
Hydroxyl groups in oil

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Chemistry
Mercury is a :

Liquid metal
Liquid non-metal
Solid non-metal
Solid metal

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Chemistry
Ethanol containing 5% water is known as

Methylated alcohol
Power alcohol
Denatured spirit
Rectified spirit

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

Mercury
Tin
Lead
Zinc

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Chemistry
Carbon monoxide is an inflammable gas. Which one of the following is also inflammable?

Helium
Oxygen
Nitrogen
Hydrogen

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