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Is Matter Around Us Pure
Give an illustration to show that a force can change the direction of motion of an object.
An applied force can change the direction of motion of an object. This can be illustrated from the following example given below.
When a ball at the end of a string is rotated in a circular motion, the hand exerts a force radially towards the centre of the circular path. This force continuously changes the direction of motion of the ball, thus enabling the ball to move along a circular path.
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Which separation techniques will you apply for the separation of the following?
Ammonium chloride from a mixture containing sodium chloride and ammonium chloride.
Which separation techniques will you apply for the separation of the following?
Small pieces of metal in the engine oil of a car.
Which separation techniques will you apply for the separation of the following?
Different pigments from an extract of flower petals.
Which separation techniques will you apply for the separation of the following?
Butter from curd.
Write the steps you would use for making tea. Use the words—solution, solvent, solute, dissolve, soluble, insoluble, filtrate and residue.
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