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Chemistry

Chemistry
The metal present in vitamin B12 is

Fe
Mo
Mg
Co

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Chemistry
Asbestos is formed of :

Calcium and Zinc
Lead and Iron
Calcium and Magnesium
Copper, Zinc and Manganese

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Chemistry
Which of the following in automobile exhaust can cause cancer?

Polyclinic hydrocarbons
Carbon monoxide
Oxides of nitrogen
Lead

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Chemistry
Which of the following electrodes is used in strongly alkaline solution

Mercury - mercuric oxide electrode
Mercury - mercurous chloride electrode
Mercury - mercurous sulphate electrode
Silver - silver chloride electrode

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Chemistry
The chemical name of quartz is

Sodium phosphate
Calcium phosphate
Sodium silicate
Calcium oxide

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Chemistry
Which of the following is used to denature ethanol ?

Methyl alcohol
Propyl alcohol
Methane
Phenol

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MORE MCQ ON Chemistry

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