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ScienceMedium
Chemistry
Chemical Reactions

What is the valency of the phosphate radical (PO4)?

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ScienceMedium
Chemistry
Chemical Reactions

Which gas is produced when Ammonium Chloride is heated with Slaked Lime?

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ScienceMedium
Chemistry
Chemical Reactions

What is the oxidation state of Sulphur in H2SO4?

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ScienceMedium
Chemistry
Chemical Reactions

Which of the following represents a neutralization reaction?

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ScienceMedium
Chemistry
Chemical Reactions

What is the percentage of Oxygen in CO2? (C=12, O=16)

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ScienceMedium
Chemistry
Chemical Reactions

Which metal is extracted from its ore using a reduction reaction with Carbon?

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ScienceMedium
Chemistry
Chemical Reactions

What is the purpose of adding Glycerine in the decomposition of Hydrogen Peroxide?

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ScienceMedium
Chemistry
Chemical Reactions

What color is Copper Sulphate solution?

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ScienceMedium
Chemistry
Chemical Reactions

Which of the following is a diatomic molecule?

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ScienceMedium
Chemistry
Chemical Reactions

In the reaction 2H2 + O2 -> 2H2O, what is the ratio of volumes of reactants at constant T and P?

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ScienceMedium
Chemistry
Chemical Reactions

What is the product of the reaction between Carbon and limited supply of Oxygen?

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ScienceMedium
Chemistry
Chemical Reactions

Which substance is used as a dehydrating agent in the lab preparation of Chlorine?

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ScienceMedium
Chemistry
Chemical Reactions

What is the total number of atoms in one molecule of Sulphuric Acid?

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ScienceHard
Chemistry
Chemical Reactions

In the reaction MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2, which substance is oxidized?

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ScienceHard
Chemistry
Chemical Reactions

How many grams of Oxygen are needed to burn 12g of Magnesium completely? (Mg=24, O=16)

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ScienceHard
Chemistry
Chemical Reactions

What is the electronic definition of a reducing agent?

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ScienceHard
Chemistry
Chemical Reactions

Which of the following reactions will not occur spontaneously?

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ScienceHard
Chemistry
Chemical Reactions

Calculate the number of moles in 44g of CO2.

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ScienceHard
Chemistry
Chemical Reactions

In the lead-chamber process, which substance acts as a catalyst?

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ScienceHard
Chemistry
Chemical Reactions

What is the change in oxidation number of Nitrogen in the reaction: N2 + 3H2 -> 2NH3?

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