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

Q.  The plastic industry began in

a. 1707
b. 1808
c. 1909
d. 2002


ANSWER: See Answer
 
No explanation is available for this question!
TasDia Network - Mcqs | Signature | Lyrics
MCQs:  The name of the oil from which ethene is obtained is
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  In the process of forming iron sulfide by iron and sulphur, the reactant is
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The properties of 'plastic' depends on
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  When ethene and chlorine combine together, they form
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  A reaction in which liquid freezes and its solid form changes into liquid at same temperature, is called
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  Cooking food is an example of
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The freezing point of water is
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  Polyethene is
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The varnish which was originally developed for coating the spars of sailing ships is called
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The least kinetic energy is found in
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  Plastics are made up of
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  In chemical reactions, energy is absorbed or released in the form of
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  Chemical reactions are
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  Polyethene is used to make
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  Nitrogen is obtained from
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The reason of low density of gases is
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The reaction that gives out heat, while taking place is known as
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The 'volume' of gases is
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The compounds made up of hydrogen and carbon are known as
Category: Science Mcqs,   Published by: T-Code Scripts
MCQs:  The gases that required to manufacture 'PVC' are
Category: Science Mcqs,   Published by: T-Code Scripts