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प्रश्न
While freezing, the ______ of water is lowered.
विकल्प
Temperature
volume
mass
density
humidity
acidic
weight
neutral
shape
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उत्तर
While freezing, the volume of water is lowered.
संबंधित प्रश्न
Fill in the blank:
_____________ discovered the oxygen gas.
Give two uses of the following component present in air:
oxygen
Tick (√) the correct alternative from the choice given for the following statement.
Respiration
Describe a simple experiment with the help of a diagram to show that Air exerts pressure
Fill in the blank:
Nitrogen of the air is utilized by plants for formation of _____.
Fill in the blank:
Rusting is a chemical reaction which involves _____ oxidation.
Draw a neat labelled diagram for the following experiment.
To determine the component of air used up in burning, by using phosphorus and a bell jar.
______ is important for all living creatures.
State whether the following statement is true or false. If false, correct them.
Air does not occupy any space.
Explain the following observations very briefly
A firki does not rotate in a closed area.
