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प्रश्न
Select the chemical changes from the following list of changes
Butter turning rancid
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उत्तर
Butter turning rancid is a CHEMICAL change as composition changes, a new substance with new properties is formed, irreversible and permanent change.
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Burning of paper and wood
Write short answer.
Name two reversible changes.
Fill in the blank
Chemical change occurs as a result of __________ between two substances.
Tick (√) the correct alternative from the choice given for the following statement
Which one of the following is volatile in nature ?
True or false
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What are man-made changes ?
Read the paragraph and note down the various types of changes it mentions.
It was nearing six o'clock in the evening. The sun was setting. A breeze was blowing. Leaves on the tree were shaking. Sahil was sitting in the courtyard, rolling balls of wet soil, and shaping them into various toys. Then he felt hungry and went into the house. Mother made a dough from wheat flour and fried purees. While eating hot purees, his attention was drawn outside the window. It had started raining. There was lightning, too. Sahil was enjoying his dinner in the dim light.
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.
Desirable and undesirable change.
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Select the correct answer from the choice given below to complete the sentence
The matter is added or removed during a ____________ change.
