Subject Experts Solutions for Chapter: Physical and Chemical Changes, Exercise 1: Stop and Check

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Subject Experts Chemistry Solutions for Exercise - Subject Experts Solutions for Chapter: Physical and Chemical Changes, Exercise 1: Stop and Check

Attempt the free practice questions on Chapter 2: Physical and Chemical Changes, Exercise 1: Stop and Check with hints and solutions to strengthen your understanding. Inspired Chemistry-7 solutions are prepared by Experienced Embibe Experts.

Questions from Subject Experts Solutions for Chapter: Physical and Chemical Changes, Exercise 1: Stop and Check with Hints & Solutions

MEDIUM
7th ICSE
IMPORTANT

Classify the given change as natural or human-made (N or H), slow or fast (S or F), desirable or undesirable (D or U) and reversible or irreversible (R or l). (For example, clothes drying is N, S, D, R)

Tearing paper.

MEDIUM
7th ICSE
IMPORTANT

Classify the given change as natural or human-made (N or H), slow or fast (S or F), desirable or undesirable (D or U) and reversible or irreversible (R or l). (For example, clothes drying is N, S, D, R)

Flowers wilting.

MEDIUM
7th ICSE
IMPORTANT

Classify the given change as natural or human-made (N or H), slow or fast (S or F), desirable or undesirable (D or U) and reversible or irreversible (R or l). (For example, clothes drying is N, S, D, R)

Building roads.

EASY
7th ICSE
IMPORTANT

In a physical change, matter undergoes a change only in state, shape, size or colour. 

EASY
7th ICSE
IMPORTANT

A solution is a type of homogeneous mixture. 

EASY
7th ICSE
IMPORTANT

When a metal is hammered into sheets, its chemical composition changes. 

EASY
7th ICSE
IMPORTANT

In deposition, a substance changes from solid to gaseous state. 

EASY
7th ICSE
IMPORTANT

A physical change can be reversible or irreversible.