% Change = Δ p/p x 100 = 4p – p/p x 100 = 300 % (2 m . 2v = 4 mv = 4 p)
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Homogeneous mixture have uniform distribution whereas heterogeneous mixture does not have uniform composition. a) Carbon dioxide gas dissolved in water is a homogeneous mixture. b) Air containing suspended particles is heterogeneous mixture. c) Soap bubbles formed by blowing air into ...
Class 9th Science Session 2022-23 Class 9 Science Terminal Exams MCQ Solutions 9th Science Terminal Exam Based MCQ Extra Questions Class IX Science MCQ Extra Questions Answers
The liquid having low boiling point will evaporates first and then after condensation, collected in beaker whereas the residue left in flask is a liquid which have high boiling point.
The Newton’s second law of motion, can be expressed as – Force ∝ change in momentum/time taken or, F ∝ mv-mu/t or, F ∝ m(v-u)/t or, F ∝ ma or, F = kma [where k is constant] But the value ...