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प्रश्न
Complete the following chart by writing appropriate words in the boxes marked (a) to (e).
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उत्तर
- Solid
- Gaseous
- Well
- Lake
- Ice
APPEARS IN
संबंधित प्रश्न
Name the four main sources of water.
Give balanced chemical equation for the reaction of water with Sodium .
Explain how the peculiar variation of density of water with temperature can protect marine-life.
Explain how the peculiar variation of density of water with temperature can cause water— pipes to burst in very cold places.
Answer the following question:
What is the chemical composition of water ? Give its molecular formula.
How are clouds formed?
How do fishes and aquatic animals survive when the pond gets covered with thick ice?
Explain why:
Water is an excellent liquid to use in cooling systems.
What is the composition of water? In what volume its elements combine?
Name a ‘pure form’ and an,‘impure form’ of water in the natural state.
Select the correct answer of the following statement:
A decahydrate crystal.
Select the correct answer of the following statement:
A drying agent placed in desiccator.
Complete the statement by filling the blank with the correct word from the option.
Solubility of most solids ___ with rise in temperature.
Give the influence of pressure.
Write a few slogans of your own on the topic “Save Water”
Rivers from land, add minerals to seawater. Discuss how?
Think and suggest some ways to minimise waste and pollutants at their source, taking your home as an example.
What is saltwater?
Water in our tap comes from a ______.
Write any two activities which require more than a bucket of water.
