Chapter 16: Physical & Chemical Changes - Science Mcqs for Grade 7

Q.  To make high temperature for formation of ammonia, the substance which is used, is

a. steel
b. iron
c. aluminum
d. copper


ANSWER: See Answer
 
No explanation is available for this question!
TasDia Network - Mcqs | Signature | Lyrics
MCQs:  'Liquids' flow
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The common products in which ammonia is used, are
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  In mixture, the particles of iron and sulphur are
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  Ethene dichloride splits up to form
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  'Methane' is an example of
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The color of copper sulfate crystals is
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The chemical formula of ethene is
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  If magnesium is gently heated, it forms
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  A substance which is burned to produce heat and light is known as
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  A change of state from one form to other is a
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  Plastic industry was started when a chemist made a
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  Physical changes are
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The reactions of 'exothermic' are
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  When the state of matter is changed from solid to liquid, we call it
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The name of the inventor who invented plastic is
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  'Plastics' are
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The reaction of 'magnesium' with air is
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The color of solid sulphur is
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The intermolecular force of attraction between molecules in solids are
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The substance which helps in accelerating reaction is called
Category: Science Mcqs,   Published by: T-Code Scripts