📄 GuideCompare evaporation, crystallization and distillation. Class 9
Compare evaporation, crystallization and distillation. Class 9Question 1. Compare evaporation, cryst
📄 GuideTwo miscible liquids, A and B, are present in a mixture. Class 9
Two miscible liquids, A and B, are present in a mixture. Class 9Question 1. Two miscible liquids, A
📄 GuideHow would you separate the mixtures given in table? Class 9
How would you separate the mixtures given in table? Class 9Question 1. How would you separate the mi
📄 GuideSolutions do not exhibit the Tyndall effect. The particles in solutions are larger than 100 nm. Class 9
Solutions do not exhibit the Tyndall effect. The particles in solutions are larger than 100 nm. Clas
📄 GuideThe label on a cooking oil pack says one litre (910 g). If this oil is mixed with water. Class 9
The label on a cooking oil pack says one litre (910 g). If this oil is mixed with water. Class 9Ques
📄 GuideSolve the following problems: A cake recipe uses dry ingredients, namely 75 g of sugar. Class 9
Solve the following problems: A cake recipe uses dry ingredients, namely 75 g of sugar. Class 9Quest
📄 GuideA mixture can be categorised as a solution, a suspension, or a colloid. Class 9
A mixture can be categorised as a solution, a suspension, or a colloid. Class 9Question 1. A mixture
📄 GuideChoose the correct options, and explain the reason for the correct and incorrect options. Class 9
Choose the correct options, and explain the reason for the correct and incorrect options. Class 9Que
📄 GuideWhich of the following mixtures are correctly classified as homogeneous. Class 9
Which of the following mixtures are correctly classified as homogeneous. Class 9Revise, Reflect, Ref
📄 GuideClouds are made up of tiny water droplets or ice crystals floating in the air. Class 9
Clouds are made up of tiny water droplets or ice crystals floating in the air. Class 9Threads of Cur
📄 GuideThe spinning game is a folk dance called phugadi in Marathi and kikli in Punjabi. Class 9
The spinning game is a folk dance called phugadi in Marathi and kikli in Punjabi. Class 9Threads of
📄 GuideWhy do immiscible liquids form two separate layers in a separating funnel? Class 9
Why do immiscible liquids form two separate layers in a separating funnel? Class 9(Page 84)Question
📄 GuideState whether the following statements are True or False. Also, correct the False statements. Class 9
State whether the following statements are True or False. Also, correct the False statements. Class
📄 GuideRefer to the solubility curves given in Activity 5.2. If equal masses of hot. Class 9
Refer to the solubility curves given in Activity 5.2. If equal masses of hot. Class 9(Page 79)Questi
📄 GuideA common talcum powder contains 4 % m/m zinc oxide, which acts as an antiseptic. Class 9
A common talcum powder contains 4 % m/m zinc oxide, which acts as an antiseptic. Class 9Pause and Po
📄 GuideWhy do suspended particles settle in muddy water over time but not in milk? Class 9
Why do suspended particles settle in muddy water over time but not in milk? Class 9Think It Over (Pa
📄 GuideActivity 5.9 Complete table and review what you have learnt about solutions. Class 9
Activity 5.9 Complete table and review what you have learnt about solutions. Class 9Activity 5.9Aim:
📄 GuideActivity 5.8 To make a simple centrifuge model with a cardboard disc and thick thread. Class 9
Activity 5.8 To make a simple centrifuge model with a cardboard disc and thick thread. Class 9Activi
📄 GuideActivity 5.7 To seperate camphor from sand by sublimation. Class 9
Activity 5.7 To seperate camphor from sand by sublimation. Class 9Activity 5.7Aim: To seperate camph
📄 GuideActivity 5.6 To separate a heterogeneous mixture of mustard oil and water. Class 9
Activity 5.6 To separate a heterogeneous mixture of mustard oil and water. Class 9Activity 5.6Aim: T
📄 GuideActivity 5.5 To separate the different coloured components present in black ink. Class 9
Activity 5.5 To separate the different coloured components present in black ink. Class 9Activity 5.5
📄 GuideActivity 5.4 Let us describe a process how salt crystals are obtained from seawater. Class 9
Activity 5.4 Let us describe a process how salt crystals are obtained from seawater. Class 9 Activit
📄 GuideActivity 5.3 To obtain pure crystals of copper sulphate by the process of crystallization. Class 9
Activity 5.3 To obtain pure crystals of copper sulphate by the process of crystallization. Class 9Ac
📄 GuideBased on the information from the above graph, predict which of the two compounds. Class 9
Based on the information from the above graph, predict which of the two compounds. Class 9Question 1
📄 GuideActivity 5.2 Let Us Represent Solubility Graphically curves of compounds A and D. Class 9
Activity 5.2 Let Us Represent Solubility Graphically curves of compounds A and D. Class 9Activity 5.
📄 GuideActivity 5.1 To identify whether the given mixtures are a true solution. Class 9
Activity 5.1 To identify whether the given mixtures are a true solution. Class 9Activity 5.1Aim: To
📄 GuideRohan studies science from 6 PM to 7:30 PM at home. Consider the tip of the minute’s hand. Class 9
Rohan studies science from 6 PM to 7:30 PM at home. Consider the tip of the minute’s hand. Class 9Qu
📄 GuideTwo cars A and B start moving with a constant acceleration from rest in a straight line. Class 9
Two cars A and B start moving with a constant acceleration from rest in a straight line. Class 9Ques
📄 GuideOn entering a state highway, a car continues to move with a constant velocity. Class 9
On entering a state highway, a car continues to move with a constant velocity. Class 9Question 1. On
📄 GuideA girl is preparing for her first marathon by running on a straight road. Class 9
A girl is preparing for her first marathon by running on a straight road. Class 9Question 1. A girl
📄 GuideA student said, The Earth moves around the Sun. Class 9
A student said, The Earth moves around the Sun. Class 9Question 1. A student said, “The Earth moves
📄 GuideA bus is travelling at 36 km h-1 when the driver sees an obstacle 30 m ahead. Class 9
A bus is travelling at 36 km h-1 when the driver sees an obstacle 30 m ahead. Class 9Question 1. A b
📄 GuideA car starts from rest and accelerates uniformly to 20 m s-1 in 5 seconds. Class 9
A car starts from rest and accelerates uniformly to 20 m s-1 in 5 seconds. Class 9Question 1. A car
📄 GuideA truck driver driving at the speed of 54 km h-1 notices a road sign with a speed limit. Class 9
A truck driver driving at the speed of 54 km h-1 notices a road sign with a speed limit. Class 9Ques
📄 GuideA graph in Fig. shows the change in position with time for two objects A and B moving. Class 9
A graph in Fig. shows the change in position with time for two objects A and B moving. Class 9Questi
📄 GuideFig. shows a position-time graph of two objects A and B that are moving. Class 9
Fig. shows a position-time graph of two objects A and B that are moving. Class 9Question 1. Fig. sho
📄 GuideA motorbike moving with initial velocity 28 m s-1 and constant acceleration. Class 9
A motorbike moving with initial velocity 28 m s-1 and constant acceleration. Class 9Question 1. A mo
📄 GuideA girl is riding her scooter and finds that its speedometer reading is constant. Class 9
A girl is riding her scooter and finds that its speedometer reading is constant. Class 9Question 1.
📄 GuideA student runs from the ground floor to the fourth floor of a school building. Class 9
A student runs from the ground floor to the fourth floor of a school building. Class 9Question 1. A
📄 GuideMy father went to a shop from home which is located at a distance of 250 m. Class 9
My father went to a shop from home which is located at a distance of 250 m. Class 9Revise, Reflect,
📄 GuideUnder what condition(s) is the magnitude of average velocity of an object? Class 9
Under what condition(s) is the magnitude of average velocity of an object? Class 9Question 1. Under
📄 GuideA ball rolls down an inclined track as shown in Fig. Is its motion, a straight line motion? Class 9
A ball rolls down an inclined track as shown in Fig. Is its motion, a straight line motion? Class 9Q
📄 GuideFuel used up in a vehicle depends on which of the following? Justify your answer. Class 9
Fuel used up in a vehicle depends on which of the following? Justify your answer. Class 9Question 1.
📄 GuideIn the example of an athlete running back and forth on a straight track. Class 9
In the example of an athlete running back and forth on a straight track. Class 9Pause and Ponder (Pa
📄 GuideHow much distance should we maintain from the truck ahead to avoid a collision. Class 9
How much distance should we maintain from the truck ahead to avoid a collision. Class 9Think It Over
📄 GuideActivity 4.5 Let us investigate the direction of motion of an object moving in a circular path. Class 9
Activity 4.5 Let us investigate the direction of motion of an object moving in a circular path. Clas
📄 GuideA car accelerates uniformly from 5 m/s to 10 m/s in 5 s. Class 9
A car accelerates uniformly from 5 m/s to 10 m/s in 5 s. Class 9Question 1.A car accelerates uniform
📄 GuideFind the displacement between 10 to 20 s from the graph given below. Class 9
Find the displacement between 10 to 20 s from the graph given below. Class 9Question 1. Find the dis
📄 GuideThe position time graph of two objects A and B are given below. Class 9
The position time graph of two objects A and B are given below. Class 9Question 1. The position time
📄 GuideActivity 4.4 Let us calculate the average velocity of a moving vehicle from its position. Class 9
Activity 4.4 Let us calculate the average velocity of a moving vehicle from its position. Class 9Act