Model Paper Chemistry
Model Paper 9th Grade Chemistry (Based on Sargodha Board )(Note ) Attempt all questions.Marks are shown in brackets next to each question.Section A (Multiple Choice) (8 marks) The basic unit of a substance is called:(a) atom(b) molecule(c) compound(d) element ([1])The process of changing a liquid into a gas is called:(a) evaporation(b) condensation(c) sublimation(d) filtration ([1])An … Read more