Put on your thinking cap

Author:Anita Paul, Seema Sinha, Deepika Parashari & Karuni Subrahmanyam

Anita Paul Science Solutions for Exercise - Put on your thinking cap

Simple step-by-step solutions to Put on your thinking cap questions of Combustion and Flame from Galaxy A Course in Science Book 8. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from Put on your thinking cap with Hints & Solutions

EASY
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 6 - Combustion and Flame>Put on your thinking cap>Q 2

CO2: global warming:: SO2: _____

MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 6 - Combustion and Flame>Put on your thinking cap>Q 2

Sodium: kerosene::_____: water

EASY
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 6 - Combustion and Flame>Put on your thinking cap>Q 3

Fuels release their energy through a chemical reaction known as _____.

MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 6 - Combustion and Flame>Put on your thinking cap>Q 3

_____ reaction is accompanied by the evolution of heat.

MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 6 - Combustion and Flame>Put on your thinking cap>Q 3

The substances which _____ easily on burning give flames.

MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 6 - Combustion and Flame>Put on your thinking cap>Q 3

Changing of solids directly into vapour on heating is called _____.

MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 6 - Combustion and Flame>Put on your thinking cap>Q 3

Unburnt carbon particles form _____, which appears as a dark powder.

EASY
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 6 - Combustion and Flame>Put on your thinking cap>Q 3

_____ should never be used in case of an electrical fire.