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Chemistry Basics: Acids, Bases and Neutralisation

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Chemistry Basics: Acids, Bases and Neutralisation

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Questions and Answers

What is the product of the reaction between an acid and a metal oxide?

Metal salt and water (correct)

Metal oxide and hydrogen gas

Metal hydroxide and oxygen

Metal carbonate and water

What is the purpose of using a spatula in the experiment to make nickel sulphate?

To heat the solution

To add nickel carbonate to the acid (correct)

To stir the mixture

To remove the excess nickel carbonate

How can you test a solution to determine if it is acidic or alkaline?

Using a pH meter (correct)

Using litmus paper

Using a thermometer

All of the above

What is the result of reacting an acid with a metal carbonate?

Metal salt, carbon dioxide and water Signup and view all the answers

What is the difference between an alkali and a base?

Alkalis are soluble in water, while bases are not Signup and view all the answers

What is the purpose of filtration in the experiment to make nickel sulphate?

To remove the excess nickel carbonate Signup and view all the answers

What is the characteristic of a substance with a pH less than 7?

It is an acid Signup and view all the answers

What is the product of a neutralisation reaction?

Salt and water Signup and view all the answers

What is the term for an atom or molecule with an electric charge?

Ion Signup and view all the answers

Which of the following acids is not studied?

Carbonic acid (H2CO3) Signup and view all the answers

What is the term for a substance that dissolves in a solvent to produce a solution?

Solute Signup and view all the answers

What is the term for a variable that is kept the same during a scientific experiment?

Controlled variable Signup and view all the answers