41. Those materials cannot be degraded by natural method is called?
(a) Non-Biodegradable
(b) None of these
(c) Bio degradable
(d) both A& B
42. Anything, that occupies, space and, has mass is, called: ________________________?
(a) Matter
(b) Solid
(c) gas
(d) Liquid
43. “Matter” exit, in: __________________________–?
(a) Solid
(b) Liquid
(c) Gas
(d) all of these
44. Which one, has fixed, Shape and, Volume _________________________-?
(a) Solid
(b) Liquid
(c) Gas
(d) Matter
45. Which one, has “definite volume”, but it, does not have, fixed?
(a) Solid
(b) Liquid
(c) Gas
(d) Matter
46. Which one, of following has, neither, definite “shape nor a volume”?
(a) Solid
(b) liquid
(c) Gas
(d) Matter
47. The process of “Converting liquid into gaseous” state without, boiling is called: _________________?
(a) Freezing process
(b) Evaporating process
(c) Boiling process
(d) Melting Process
48. The Process of “Converting gas into Liquid State” is called: _____________________________?
(a) Condensation
(c) Melting
(b) Evaporation
(d) Freezing
49. Change of “state from liquid to solid” is _____________________________________?
(a) Condensation
(b) Melting
(c) Evaporation
(d) Freezing
50. The, amount of “gravitational force” acting on, an object?
(a) Weight
(b) Mass
(d) Friction
(d) Gravitational
