Water is made up of two elements, hydrogen and oxygen. Water is a
liquid, whereas hydrogen and oxygen are gases. Hydrogen catches
fire easily. Oxygen helps in burning. Water is used to put off the fire
From the above information, answer the following questions.
a) What are the elements present in water?
b) In which state do these elements exist?
c) Write the property of hydrogen.
d) Write the property of oxygen.
e) Do the properties of water differ from hydrogen and oxygen?
TNSCERT Class 8 Science Ch5. Elements and Compounds Around us
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4
a.hydrogen and oxygen
b.gaseous
c.hydrogen can catch fire easily
d.oxygen encourages combustion
e.yes
b.gaseous
c.hydrogen can catch fire easily
d.oxygen encourages combustion
e.yes
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1
Answer:
To find out what water is made of, it helps to look at its chemical formula, which is H2O. This basically tells us that the water molecule is composed of two elements: hydrogen and oxygen or, more precisely, two hydrogen atoms (H2) and one oxygen atom (O)
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