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प्रश्न
A jumbled word is given here. Write the correct form of the word.
CHARREGE
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उत्तर
RECHARGE
APPEARS IN
संबंधित प्रश्न
Give reason of Alcohol is mixed with water and is used in car radiator.
Match the statements in column A with that in column B.
| Column A | Column B |
| (a) deliquescent substance | (1) sodium bicarbonate |
| (b) hygroscopic substance | (2) magnesium chloride |
| (c) efflorestance substance | (3) conc. sulphuric acid |
| (d) substance causing temporary hardness | (4) washing soda |
Give one word for the following statement:
The gaseous form of water found in air .
Give one word for the following statement:
A mixture of common salt and ice .
Answer the following question:
What is the chemical composition of water ? Give its molecular formula.
Answer the following question:
Name two gases dissolved in natural water.
Give balanced chemical equations to show the reaction between Coke and steam.
Answer the following question.
Suggest three ways to conserve water.
What is the effect of impurities present in the water on the melting point and boiling point of water?
How do fishes and aquatic animals survive when the pond gets covered with thick ice?
Answer in your own words.
Why is there a shortage of water even though it occupies about 71% of the earth’s surface?
Give a balanced equation for the following conversion:
Sulphur dioxide to sulphurous acid using a neutral liquid.
Complete the statement by filling the blank with the correct word from the option.
Solubility of most solids ___ with rise in temperature.
Which are the three states of water?
Water levels in rivers increase greatly during ______.
Condensation results in the formation of dew on grass.
Among the given options, which one is not correct for the use of large amounts of fertilisers and pesticides?
A jumbled word is given here. Write the correct form of the word.
QUIFERA
Water polluted by various human activities causes a number of water borne diseases. Which of the following is not a water borne disease?
