CELL: FUNDAMENTAL UNIT OF LIFE (Worksheet) Fill in the blanks with suitable words. 1. The fundamental organizational unit of life is the _______. 2. Cells are enclosed by a plasma m
Chapter – 1 – Matter in our Surroundings (Revision Assignment) Q1. Why are gases so easily compressible whereas it is almost impossible to compress a solid? Q2. Explain why diffusion o
Matter In Our Surroundings Reasoning Questions Q1: When 20-30g of salt is added to 500 ml of water in a beaker. We see salt dissolves and disappears in water. Give reasons for this.
Uses of Gases (Worksheet) Fill the blanks: 1. The gas that can be used to fill party balloons is _______. 2. The gas that is used to make flash light is _______ . 3. The gas widely use
Matter in Our Surroundings (MCQs) 1. ______ is a physical quantity which expresses the amount of matter in a body. (A) Mass (B) Density (C) Volume (D) Temperature 2. The space inside a contai
