The blue colour of the sky is due to ……………………
A) refraction of light
B) dispersion of light
C) diffraction of light
D) scattering of light
1 Answers
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A blue colour complex is obtained in the analysis of `Fe^(+3)` having formula `Fe_(4)[Fe(CN)_(6)]_(3)` Let a= oxidation number of Iron in the corrdina
Correct Answer - 26
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A gas is pale blue in colour on liquifaction, the colour arises from electronic transitions. This transition is forbidden in gaseous state. The gas do
Correct Answer - `32, O_(2)`
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A __________ by default appears blue in colour with an underline.
(C) Hyperlink
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…….. does not change colour of dry blue litmus.
C) Dry hydrogen chloride gas
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The nature of substance that converts blue litmus to red, but no change of colour with red litmus is
Correct option is C) Acid
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The formation of rainbow in the sky is due to the dispersion of sunlight by ………………….
Correct option is (B)water droplets
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The sky appears blue because some of the blue component of sunlight is scattered by
A) gas molecules present in air
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Blue colour of the sky is due to scattering of light. Reason
C) A is true but R is false
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Why is blue applied to white clothes? Present four steps of applying blue to the clothes.
Blue is applied to white clothes because- It acts as a fabric whitener/brightener Four steps of applying blue to the clothes- 1.Add blue to water and dissolve well 2.Wet the article to be blued...
2 Answers 1 views
The iron nail dipped in Copper Sulphate solution becomes brown and the blue colour of the Copper Sulphate solution fades.
D) Displacement
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