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Chemistry

Chemistry
Citric acid is present in free form in

Tamarind
Milk
Lemon
Apple

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Chemistry
In a reaction of the type A+B ? C+D one could ensure it to be a first order reaction by :

Increasing the concentration of a product
Adding a catalyst
Increasing the temperature
Increasing the concentration of a reactant

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Chemistry
Which of the toxic heavy metals is found in modern tannery industries ?

Nickel
Zinc
Lead
Chromium

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Chemistry
The manufacture of iron from iron ore involves the process of

Electrolysis
Fractional distillation
Oxidation
Reduction

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Chemistry
Which of the following is not a greenhouse gas ?

Chlorofluorocarbon
Nitric oxide
Hydrogen
Carbon dioxide

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Chemistry
The method of concentrating the ore which makes use of the difference in density between ore and impurities is called

levigation
liquation
magnetic separation
leaching

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MORE MCQ ON Chemistry

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