GRADE 9 NATURAL SCIENCE EXAM QUESTIONS AND CORRECT ANSWERS



What happens if you burn a piece of wood with oxygen ? - ANSWER-- it combines with oxygen

- changes colour

- carbon dioxide and water vapor is released

- gases floats into the air



What is combustion? - ANSWER-the process of burning something



Compound - ANSWER-A substance made up of two or more different elements joined by chemical bonds



How to neutralize something ? - ANSWER-Use a weak acid to neutralize bases



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It’s very hard to study and understand based on how the questions and answers are set up..