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प्रश्न
Circle the odd one out. Give reason for your choice
विकल्प
Growth of a child
Blinking of eye
Rusting
Germination of a seed
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उत्तर
Rusting
Reason: Rusting is undesirable change. Others three are desirable changes.
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संबंधित प्रश्न
Fill in the blank.
The formation of gas bubbles in a liquid during a reaction is called ......................
FILL IN THE BLANK
........... electrolytes dissociate completely in aqueous state and allow large amount of electricity to flow through it.
Is kerosene an electrolyte or a non-electrolyte ?
True or false
New substances are formed in a chemical change.
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The substances which undergo chemical change are called _______
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Distinguish by heating the following in dry test tubs.
Copper Sulphate and copper carbonate
Give balanced equation for the following conversion affected by heat alone on the substance:
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State the gaseous product formed, when
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