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NCERT TELUGU-COMBUSTION: FUELS AND FLAME-EXERCISE
- What is combustion ?
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- What are inflammable substance? Give examples.
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- Write the names of any two liquid fuels.
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- What is the criteria to decide a best fuel ?
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- What is calorific value? Write its units
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- “Sneha wanted to know why paraffin wax in a candle and the wick in a d...
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- Give two examples of fossil fuels.
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- What chemicals are present in the substances applied on the head of a ...
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- Where do you find the red phosphorous on the sides of match box or on ...
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- Name the products formed when a candle burns in the air.
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- Write an activity to prove that oxygen helps in burning.
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- "Is combustion possible without the supply of oxygen? Discuss with you...
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- The oil fires should not be sprayed with water. Why?
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- What precautions are to be taken while pouring water on fire?
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- A slow fire bursts into a flame when air is blown on it, but a candle ...
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- If a large quantity of dry grass is set on fire in forests then it is ...
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- When an object catches fire, the fire is put off by covering with sand...
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- In a Wax candle flame, how many flame zones do you observe ? Which is ...
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- How many types of combustion is there ? What are they?
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- Distinguish between combustible materials and non-combustible material...
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