Viraf J Dalal Solutions for Chapter: Matter & Its Composition, Exercise 2: OBJECTIVE TYPE QUESTIONS

Author:Viraf J Dalal

Viraf J Dalal Chemistry Solutions for Exercise - Viraf J Dalal Solutions for Chapter: Matter & Its Composition, Exercise 2: OBJECTIVE TYPE QUESTIONS

Attempt the free practice questions on Chapter 1: Matter & Its Composition, Exercise 2: OBJECTIVE TYPE QUESTIONS with hints and solutions to strengthen your understanding. Simplified Chemistry solutions are prepared by Experienced Embibe Experts.

Questions from Viraf J Dalal Solutions for Chapter: Matter & Its Composition, Exercise 2: OBJECTIVE TYPE QUESTIONS with Hints & Solutions

MEDIUM
7th ICSE
IMPORTANT

Match the characteristics of the three states of matter in List I with their correct answer from List II.

List I List II
1. Have no definite shape, volume or free surface a. Solids only
2. Are highly compressible and least rigid b. Liquids only
3. Have a definite volume, no definite shape are slightly diffusible c. Gases only
4. Are not compressible have no diffusibility d. Liquids and gases only
5. Have mass occupy space e. Solids and gases only
  f. Solids, liquids and gases

EASY
7th ICSE
IMPORTANT

Give reason for the following. 

Solids have no definite shape or volume.

NOTE: This question given in the book seems to have an error and the modified question should be given as below.

Gases have no definite shape or volume. 

MEDIUM
7th ICSE
IMPORTANT

Give reason for the following. 

Liquids have one free upper surface only.

MEDIUM
7th ICSE
IMPORTANT

Give reason for the following. 

Globules of mercury kept in a petri dish, which is shaken slowly, come together forming a big globule.

MEDIUM
7th ICSE
IMPORTANT

Give reason for the following. 

A crystal of iodine on slow heating in a closed flask turns into vapours & fills the complete flask.

MEDIUM
7th ICSE
IMPORTANT

Give reason for the following. 

An empty tumbler lowered into a glass beaker containing water, on tilting shows bubbles of air coming out, but when not tilted, no bubbles are seen.

MEDIUM
7th ICSE
IMPORTANT

State the correct term from A, B, C, D, E or F in List II which represents the change of state of matter or its relevant property from List I.

List I List II
1.Solid 'X' to a liquid 'Y' a. Liquefaction
2. Liquid 'Y' to its vapour 'Z'. b. Vaporization
3. 'Z' to 'Y' c. Melting
4. 'Y' To 'X' d. Solidification
5. The temperature at which 'Y'
changes to 'Z'.
e. Boiling point

MEDIUM
7th ICSE
IMPORTANT

Match the arrangement of atoms in the three states of matter in List I with the correct state in List II.

List I List II
1. Arrangement of atoms very closely
packed
a. Solids
2. Interparticle space is maximum b. Liquids
3. Force of attraction between particles
is very weak
c. Gases
4. Movement of particles is about their
own position
 
5. Particles in the state of matter are
slightly compressible & not closely
packed