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Chemistry

Chemistry
Which of the following is the petroleum wax ?

Paraffin wax
Bees wax
Carnauba wax
Jojoba wax

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Chemistry
Which one is the most dense liquid from the below

None of these
Gasolin
Choloform
Water

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Chemistry
The inert gas used as beacon light is

Ne
Kr
Ar
He

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Chemistry
Which of the following elements is not present in stainless steel?

Tungsten
Chromium
Iron
Nickel

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Chemistry
An alloy used in making heating elements for electric heating device is

Alloy Steel
Solder
Nichrome
German Silver

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Chemistry
Cement is made hard with

Dissociation of water
Polymerisation
Dehydration
Hydration and dissociation of water

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