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प्रश्न
Tick the most appropriate answer.
Photosynthesis requires
पर्याय
heat energy
wind energy
sunlight
sound energy
उत्तर
sunlight.
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संबंधित प्रश्न
Classify the following changes as physical or chemical:-boiling
State whether the following is physical or chemical changes.
lightning —
Tick (√) the correct alternative from the choice given for the following statement.
A substance which can not sublime is
State one instance where water undergoes a physical change and one in which it undergoes a chemical change.
The rusting of an iron object is called :
Classify the following as a physical or a chemical change.
Drying of wet clothes
Fill in the blank.
The process of a liquid changing into a solid is called ________
Classify the following changes as physical and chemical changes
A rough piece of wood is sanded and polished resulting in change in texture, Rusting of a iron nail, Painting the grill, Bending a paper clip, Pounding silver into thin plate, Rolling the chappathi dough into thin wire, Occurrence of day and night, eruption of volcano, burning of matchstick, dosa from the batter, blinking of eyelids, occurrence of a thunderstorm, rotation of the earth, formation of eclipses.
| Sr. No. | Physical changes | Chemical changes |
| 1. | ||
| 2. |
Water is the universal solvent. Why?
Keeping a stone in sunlight for few hours is ______.
