What are reflecting nebulae?
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A mixture of salt and sand can be separated by 1 Sublimation 2 Dissolving in water 3 Gravity separation 4 Dry distillation
What do you understand by nutritive constituents of food ?
what is composition of fizzy drinks
When was the first american rocket launched?
Write two characteristics of Science.
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What is the Physiology ?
Papepr is manufactured by 1 Wod and resin 2 Wood, sodium and bleaching powder 3 Wood and bleaching powder 4 Wood, calcium, hydrogen sulphite and resin
When and where was the first experimental atomic explosion took place?
the basic approach to science was established by:
Which radioactive pollutant has recently drawn the attention of the public, due to its occurrence in the building material? 1 Radium 2 Radon 3 Thorium 4 Plutonium
What are soaps? 1 Salts of silicates 2 Esters of heavy fatty acids 3 Sodium or potassium salts of heavier fatty acids 4 Mixture of glycerol and alcohols
The correct sequence of various regions I absorption spectrum is 1 Visible, ultraviolet, microwave, infra red 2 Infra red, gamma rays, ultraviolet, microwave 3 Ultra violet, visible, infra red, microwave 4 None of these