Advertisements
Advertisements
प्रश्न
Why should we not throw used tea leaves into sink?
Advertisements
उत्तर
Used tea leaves should not be thrown in kitchen sinks as they clog drains and prevent the free flow of oxygen that interferes with the decomposition process. They should be thrown in dustbins.
APPEARS IN
संबंधित प्रश्न
Why is water very precious for all living being ?
Give reason On opening a bottle of a cold drink, a fizz sound is heard.
Give balanced chemical equation for the reaction of water with Iron .
Give one word for the following statement :
The change of states of water from one form to another .
Give balanced chemical equations to show the reaction between Coke and steam.
Explain why:
Rain water does not leave behind concentric rings when boiled.
Explain why:
Table salts become sticky on exposure to humid air during the rainy season.
What is the composition of water? In what volume its elements combine?
Answer in your own words.
Why is there a shortage of water even though it occupies about 71% of the earth’s surface?
Select the correct answer of the following statement:
A drying agent placed in desiccator.
Give a balanced equation for the following conversion:
Potassium oxide to a strong alkali.
State the meaning of the term ‘water pollution’. State how you would find out, the different sources of pollution of water bodies in the locality.
Fill in the blank:
Unpolluted water has _____ amount of dissolved oxygen.
Explain the following observation:
Washing-soda become coated with a white powder when left exposed to the atmosphere.
True or false? Correct the wrong statement.
We get rainwater throughout the year.
Water is the most ________ resource on the Earth.
Condensation results in the formation of dew on grass.
Total earth’s surface covered by water is
Why is there a need for conserving water? Give two reasons.
