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


Q.  Melting point of 'sulphur' is

a. 113 °C
b. 311 °C
c. both
d. none


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  Chemical reactions are
Category: Science Mcqs,   Published by: teswesm
MCQs:  Polyethene is used to make
Category: Science Mcqs,   Published by: teswesm
MCQs:  Nitrogen is obtained from
Category: Science Mcqs,   Published by: teswesm
MCQs:  The reason of low density of gases is
Category: Science Mcqs,   Published by: teswesm
MCQs:  The reaction that gives out heat, while taking place is known as
Category: Science Mcqs,   Published by: teswesm
MCQs:  The 'volume' of gases is
Category: Science Mcqs,   Published by: teswesm
MCQs:  The compounds made up of hydrogen and carbon are known as
Category: Science Mcqs,   Published by: teswesm
MCQs:  The gases that required to manufacture 'PVC' are
Category: Science Mcqs,   Published by: teswesm
MCQs:  The water melts and freezes at
Category: Science Mcqs,   Published by: teswesm
MCQs:  The force of attraction between particles of gases is
Category: Science Mcqs,   Published by: teswesm
MCQs:  Bakelite' is used to
Category: Science Mcqs,   Published by: teswesm
MCQs:  The speed of particles is fastest in
Category: Science Mcqs,   Published by: teswesm
MCQs:  The color of solid iron is
Category: Science Mcqs,   Published by: teswesm
MCQs:  Alteration of material without changing its chemical make-up is known as
Category: Science Mcqs,   Published by: teswesm
MCQs:  The exothermic reaction of two elements, iron and sulfur, form the compound,
Category: Science Mcqs,   Published by: teswesm
MCQs:  Ammonia' is an important component of
Category: Science Mcqs,   Published by: teswesm
MCQs:  The name of the chemist who started plastic industry, is
Category: Science Mcqs,   Published by: teswesm
MCQs:  Plastic was invented by
Category: Science Mcqs,   Published by: teswesm
MCQs:  The compound which is formed by heating iron and sulphur, is known as
Category: Science Mcqs,   Published by: teswesm
MCQs:  Photosynthesis' is a
Category: Science Mcqs,   Published by: teswesm