Dr. S P Jauhar and R Jauhar Solutions for Chapter: Matter in Our Surroundings, Exercise 2: TEST YOURSELF

Author:Dr. S P Jauhar & R Jauhar

Dr. S P Jauhar Chemistry Solutions for Exercise - Dr. S P Jauhar and R Jauhar Solutions for Chapter: Matter in Our Surroundings, Exercise 2: TEST YOURSELF

Attempt the free practice questions on Chapter 1: Matter in Our Surroundings, Exercise 2: TEST YOURSELF with hints and solutions to strengthen your understanding. Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX solutions are prepared by Experienced Embibe Experts.

Questions from Dr. S P Jauhar and R Jauhar Solutions for Chapter: Matter in Our Surroundings, Exercise 2: TEST YOURSELF with Hints & Solutions

MEDIUM
9th CBSE
IMPORTANT

When sugar dissolves in water, the level of water does not rise appreciably. Why? 

EASY
9th CBSE
IMPORTANT

For determining the melting point of ice, the thermometer should be kept: 

HARD
9th CBSE
IMPORTANT

A student heats a beaker containing ice and water. He measures the temperature of the content of the beaker as a function of time. Which of the following figure would correctly represent the result?

EASY
9th CBSE
IMPORTANT

While determining the boiling point of water, the teacher suggested to add some pumice stone pieces to the hard glass test tube containing water. This was done to : 

MEDIUM
9th CBSE
IMPORTANT

A student heats a beaker containing ice and water. He measures the temperature of the beaker as a function of time and draws the following graph.  

Question Image
What does the curve ab represent?

(Choose from the following: Melting/ Boiling)

MEDIUM
9th CBSE
IMPORTANT

A student heats a beaker containing ice and water. He measures the temperature of the beaker as a function of time and draws the following graph.  

Question Image
What happens after 25 minutes?

HARD
9th CBSE
IMPORTANT

A student heats a beaker containing ice and water. He measures the temperature of the beaker as a function of time and draws the following graph.  

Question Image 
What does the curve bc represent?

HARD
9th CBSE
IMPORTANT

A student heats a beaker containing ice and water. He measures the temperature of the beaker as a function of time and draws the following graph.  

Question Image
At what temperature and time ice melts?