The language of chemistry class 7 Basic science soled questions. Q. What is chemistry? Ans: Chemistry is a branch of science in which we study the composition, structure, properties and change of matter. Q. What is matter? Ans: Anything that is around us having some mass and occupies space is called matter. Q. What are the different classifications of matter? Ans: Matters are classified into element, compound and mixture. Q. What is element? Ans: Elements are the purest form of substance (matter) made up of same kinds of particles. The smallest unit of element is an atom. eg. Hydrogen, oxygen, carbon. Q. What is compound? See full post The language of chemistry class 7 Basic science Class 07 Basic sciences Chapter the Language of Chemistry A. Answer these questions 1. What does the formula of a substance tell us? Answer: Formula of a compound or an element represents the name and number of atoms present ...
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ReplyDeletenice but it is of old syllabus
ReplyDeleteCBSE is a board of education that provides high quality syllabus to aide students’ development of their skills. In this endeavour, they constantly change the syllabus and exam methodology. Since the pattern is constantly changed, students are often faced with the dilemma and confusion of the pattern of the question paper. To reduce the anxiety, we prepared sample question papers that help students in preparing for the current year’s exams by way of reviewing and revising the questions available therein.
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