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Biology
All India Exam - 2012
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Q3 of 56 Page 1

Write the name and formula of a molecule made up of three atoms of oxygen.

The name of the molecule made up of three atoms of Oxygen is Ozone and its formula is O3.


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1

Write the name and formula of the first member of the carbon compounds having functional group-CHO.

2

State one role of ciliary muscles in the human eye.

4

What is the colour of the clear sky during day-time? Give reason for it.

5

Why do all the elements of the (a) same group have similar properties, (b) same period have different properties?

Questions · 56
All India Exam - 2012
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