1. Rani took three substances P, Q, and R and burnt them one by one. He noted down his
observations given below. I. Substance P bums quickly producing heat and light. II.
Substance Q bums in room temperature on its own. III. Substance R bums with the
evolution of heat, light, and sound. Which of the following statements regarding the given
information is correct?
a) Substances P and Q are undergoing rapid combustion whereas R is undergoing an
explosion.
b) Substances P and R are undergoing spontaneous combustion whereas Q is undergoing
rapid combustion.
c) Substance P is undergoing rapid combustion, Q is undergoing spontaneous combustion
while R is undergoing an explosion.
d) Substance P is undergoing spontaneous combustion, Q is undergoing rapid combustion
while R is undergoing an explosion.
Answers
Answered by
2
Answer:
Combustion and Flame-MCQDownload now
Flame. b. Fuel. c. ...
Combustion. b. Nuclear process. c. ...
Flame. b. Only glow. c. ...
Carbon dioxide. b. Nitrogen dioxide. c. ...
Catch fire easily. b. Will not catch fire. ...
Solid fuels. b. Liquid fuels. ...
Lowest temperature at catch fire. b. Higher temperature at catch fire. ...
Chemical process. b. Physical process.
More items...
Similar questions