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ScienceHard
Chemistry
Chemical Reactions

Which of the following is true regarding a 'Positive Catalyst'?

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ScienceHard
Chemistry
Chemical Reactions

What happens when Carbon dioxide is passed through limewater for a LONG time?

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ScienceMedium
Chemistry
Chemical Reactions

Which of the following is the most reactive non-metal?

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ScienceHard
Chemistry
Chemical Reactions

In the reaction $PCl_5 \rightleftharpoons PCl_3 + Cl_2$, how will the equilibrium shift if the pressure is increased?

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ScienceMedium
Chemistry
Chemical Reactions

Which of the following is a balanced equation for the reaction of Methane with Oxygen (complete combustion)?

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ScienceEasy
Chemistry
Chemical Reactions

What is the molar volume of any gas at STP?

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ScienceMedium
Chemistry
Chemical Reactions

In the balanced equation $aH_2 + bO_2 \rightarrow cH_2O$, what is the sum of a+b+c?

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ScienceEasy
Chemistry
Chemical Reactions

What is the chemical reaction where two or more substances combine to form a single product?

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ScienceEasy
Chemistry
Chemical Reactions

Which of the following represents a decomposition reaction?

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ScienceEasy
Chemistry
Chemical Reactions

What is the product of the reaction between Hydrogen and Oxygen?

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ScienceEasy
Chemistry
Chemical Reactions

What gas is evolved when Magnesium reacts with dilute Hydrochloric acid?

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ScienceEasy
Chemistry
Chemical Reactions

Which reaction is also known as a double decomposition reaction?

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ScienceEasy
Chemistry
Chemical Reactions

What is the common name for the reaction between an acid and a base?

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ScienceEasy
Chemistry
Chemical Reactions

Which of the following is an exothermic reaction?

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ScienceEasy
Chemistry
Chemical Reactions

What substance increases the rate of a chemical reaction without being consumed?

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ScienceEasy
Chemistry
Chemical Reactions

Which gas is produced when Calcium Carbonate is heated?

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ScienceEasy
Chemistry
Chemical Reactions

In a displacement reaction, which metal can displace Copper from Copper Sulphate solution?

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ScienceEasy
Chemistry
Chemical Reactions

What is the process of losing electrons in a chemical reaction called?

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ScienceEasy
Chemistry
Chemical Reactions

What is the valency of Oxygen?

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ScienceEasy
Chemistry
Chemical Reactions

Which of these is a physical change?

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