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Water is a/an
Water is a compound consisting of hydrogen and oxygen in fixed ratio.
The process of changing water vapour into water is called
The process of changing water into water vapour is called condensation.
Rain is also known as
Rain is also known as precipitation.
Which of these is not a property of water?
Water is not blue in colour.
Water is colorless because all light (except tiny bit of blue) is reflected back.
Loss of water by plants is called
Transpiration is the process by which moisture is carried through plants from roots to small pores on the underside of leaves, where it changes to vapor and is released to the atmosphere. Transpiration is essentially evaporation of water from plant leaves. Transpiration also cools plants, changes osmotic pressure of cells and enables mass flow of mineral nutrients and water from roots to shoots.
Therefore, the correct answer is option A.
The purest form of water is
The purest form of water is rain water as no impurities is present in it.But when it comes to earth, the gases present in the atmosphere gets mixed with it and hence makes it impure but rainwater is pure when it fells from clouds.
An example of underground water is
Well is underground source of water while river, lake and sea are surface source of water.
Gaseous state of water is
The gaseous state of water is vapour form by evaporation or boiling the water.
Envelop of air around the earth is called
The thick envelop of air around the earth is called atmosphere, which contain nitrogen and oxygen gas mainly.
Which of the following substance is found in all three states in nature?
Water is the only substance, which is found in all three states in nature.