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Rohit1998
Rohit1998
@rohit1998
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Joined: Jan 25, 2021
Last seen: May 7, 2021
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Topics: 2002 / Replies: 0
AllTopicsReplies
Topic
What is the function of a wick in the candle?
4 years ago
Forum
Combustion and Flame
Replies: 0
Views: 207
Topic
Red buckets containing sand are kept in offices and cinema halls. Why?
4 years ago
Forum
Combustion and Flame
Replies: 0
Views: 161
Topic
When the clothes of a person catches fire, we cover him with a blanket. Why?
4 years ago
Forum
Combustion and Flame
Replies: 0
Views: 138
Topic
You are given three substances A, B and C. How will you find out which of them as a combustible material?
4 years ago
Forum
Combustion and Flame
Replies: 0
Views: 217
Topic
How does the foam type fire extinguisher work?
4 years ago
Forum
Combustion and Flame
Replies: 0
Views: 113
Topic
Explain how water extinguishes the fire.
4 years ago
Forum
Combustion and Flame
Replies: 0
Views: 108
Topic
Why do we use paper or kerosene oil to start fire in wood or coal?
4 years ago
Forum
Combustion and Flame
Replies: 0
Views: 107
Topic
Why does the middle zone of the candle flame glow with yellow colour?
4 years ago
Forum
Combustion and Flame
Replies: 0
Views: 165
Topic
Which is the hottest zone and the coolest zone of a flame?
4 years ago
Forum
Combustion and Flame
Replies: 0
Views: 135
Topic
Explain the different zones of a flame with the help of a neat and well labelled diagram.
4 years ago
Forum
Combustion and Flame
Replies: 0
Views: 209
Topic
Write any four characteristics of an ideal fuel. What is C.N.G.? Mention its one use.
4 years ago
Forum
Combustion and Flame
Replies: 0
Views: 148
Topic
Give two examples each of solid fuel, liquid fuel and gaseous fuel.
4 years ago
Forum
Combustion and Flame
Replies: 0
Views: 106
Topic
Why water should not be used to put out fire caused by burning of petrol.
4 years ago
Forum
Combustion and Flame
Replies: 0
Views: 107
Topic
Define ignition temperature.
4 years ago
Forum
Combustion and Flame
Replies: 0
Views: 115
Topic
Name the type of nuclear reaction taking place in the atmosphere of Sun.
4 years ago
Forum
Combustion and Flame
Replies: 0
Views: 167
Topic
Amit and Sunil were doing an experiment in which water was to be heated in a beaker. Amit kept the beaker near the wick in the yellow part of the candle flame.
4 years ago
Forum
Combustion and Flame
Replies: 0
Views: 113
Topic
Why petrol cannot be used as a fuel in stoves at homes?
4 years ago
Forum
Combustion and Flame
Replies: 0
Views: 139
Topic
Hydrogen has the highest calorific value, but it is not used as a fuel. Why?
4 years ago
Forum
Combustion and Flame
Replies: 0
Views: 103
Topic
Camphor bums with a flame, but charcoal glows. Why?
4 years ago
Forum
Combustion and Flame
Replies: 0
Views: 125
Topic
Does magnesium bum with a flame? Why?
4 years ago
Forum
Combustion and Flame
Replies: 0
Views: 101
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