Why is a halo formed round the moon, when the sky is clear ?
Answer / guest
It is due t refraction of moonlight on the outer edge of
earth?s atmosphere.
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Why is glass electrode called an ion selective electrode?
How can fresh water be made from salt water ?
Why are the bright circles of light seem under the trees, when the sun shines?
why is their exotherm while addition of reducing agents in reduction reaction?
How are pka and strength of a weak acid related?
Why we use potassium dichromate in control of absorbance in uv region and copper sulphate in control of absorbance in visible region?
Explain the Properties of Gases ?
Which wavelengths are visible to human eye?
Why ate the electric fuses used in an electric current ?
State lambert’s law.
which acid present in soda water?
What is gas-filled lamp ?