Fill in the blanks selecting words from, the following list.
snow, rain, clouds, vapour, evaporation, transpiration.
Water, as ____ goes into atmosphere by the processes of _ and _ and forms ,which on condensation fall in the form of and ___ .

Academic Chemistry NCERT Class 6

Water, as vapour goes into atmosphere by the processes of evaporation and transpiration and forms clouds, which on condensation fall in the form of snow and rain.

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Updated on: 01-Feb-2023

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Water drops fall as soon as water vapour in clouds condenses to form water. (true/false)
Fill in the blanks with proper words in the following statements:-
Which of the following statements are “true”?(a) Water vapour is present in air only during the monsoon.(b) Water evaporates into air from oceans, rivers and lakes but not from the soil.(c) The process of water changing into its vapour is called evaporation.(d) The evaporation of water takes place only in sunlight.(e) Water vapour condenses to form tiny droplets of water in the upper layers of air where it is cooler.
Difference Between Evaporation and Condensation
Fill in the blanks so as to make the following statements true:A line separates a plane into ____ parts namely the ____ and the ____ itself.
Fill up the blanks in the following:(a) The process of changing water into its vapour is called_______________ .(b) The process of changing water vapour into water is called_____________ .(c) No rainfall for a year or more may lead to _____________ in that region.(d) Excessive rain may cause__________ .
Clouds are(a) tiny drops of water floating in air(b) mixture of dust and water vapour(c) particles of water vapour(d) rain drops in air.
Fill in the following blanks with suitable words:Resistance is measured in ___________. The resistance of the wire increases as the length ________; as the temperature ________; and as the cross sectional area _________.
Paheli asked for a glass of water from Boojho. He gave her a glass of ice cold water. Paheli observed some water droplets on the outer surface of the glass and asked Boojho how these droplets of water were formed. Which of the following should be Boojho’s answer?(a) Evaporation of water from the glass.(b) Water that seeped out from the glass.(c) Evaporation of atmospheric water vapour.(d) Condensation of atmospheric water vapour.
Fill in the following blanks with suitable words:(a) In water, the proportion of oxygen and hydrogen is _____ by mass.(b) In a chemical reaction, the sum of the masses of the reactants and the products remains unchanged. This is called _____.
Fill in the blanks in the given passage.The rainwater and _____ from other sources such as rivers and ponds seeps through the _____ and fills the empty spaces and cracks deep below the ground. The process of seeping of water into the ground is called _____.
Fill in the following blanks with suitable words:(a) Biomass is another form in which _________ energy manifests itself.(b) Tidal waves build up and recede _________ a day.
Why the clouds become grey in colour at the time of rain?
Fill in the following blanks with suitable words:(a) Chemical equations are balanced to satisfy the law of _____. (b) A solution made in water is known as an ____ solution and indicated by the symbol ____.

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