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प्रश्न
Wood to sawdust:______:: Wood to Ash: Chemical change
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उत्तर
Wood to sawdust: Physical change. :: Wood to Ash: Chemical change
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संबंधित प्रश्न
Fill in the blank.
Changes that occur in nature are called ........................
Fill in the blank.
A new substance is formed in a ............... change.
State whether the following is physical or chemical changes.
growing of a piglet into a pig —
State whether the following is physical or chemical changes.
lightning —
Which of the following are chemical changes ?
- decaying of wood
- burning of wood
- sawing of wood
- hammering of nail into wood
Change is the law of nature and occurs in our everyday life, at all times and in all places.
Differentiate between the following change with a suitable example.
Natural and man-made change.
Give the reason why the following is considered as chemical changes.
An iron nail kept open in the atmosphere rusts.
Name the following.
The salt obtained when a chemical change takes place on the addition of iron to dilute sulphuric acid.
When ice melts to form water, change occurs in its
Grinding of wheat grain changes its size. It is a ____________ change.
