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प्रश्न
What will happen if....? And why?
An axe is made of rubber.
उत्तर
An axe made of rubber will not cut wood or trees. Rubber lacks the hardness required for cutting.
संबंधित प्रश्न
Convert the following temperature to the celsius scale.
293 K
Ripening of fruits is a desirable change.
The boiling point of water is 100° C. Express this in SI units (Kelvin scale).
Fill in the following blank with suitable words :
Gases can be liquefied by applying ....................... and lowering .....................
Write whether the following statement is true or false:
Solids have the larger inter-molecular space
Name the phenomenon which causes the following changes:
Conversion of water into steam
State which of the following statement is true or false. If false write the correct statement.
Atoms/molecules in gases move only about their own positions.
In the paragraph below, write ‘solid’, ‘liquid’ or ‘gas’ in each of the brackets depending on the substance referred to just before.
On a bright sunny day, Riya and Gargi are playing with a ball ( ) in the park. Gargi feels thirsty. So, Riya brings tender coconut water ( ) for her. At the same time, a strong breeze ( ) starts blowing and it also begins to rain ( ). They run back into the house ( ), change their clothes ( ), and then their mother gives them a cup ( ) of hot milk ( ) to drink.
What is inter-conversion of matter. Give the meaning of the terms involved in inter-conversion of matter
(a) Melting
(b) Vaporisation
(c) Liquefaction or condensation,
(d) Solidification or freezing
(e) Sublimation.
Complete the statement by filling the blank with the correct word given below.
Conversion of vapour [or gas] into a liquid is termed ____________.
