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An experiment with a floating candle
Put a nail in the lower end of a candle. The nail should be just the right weight to make the candle float with its top a little above the surface of the water. Float the candle and nail in a tall glass of water. Light the candle and watch it unless it is nearly burned up. The candle constantly loses weight as it burns. Why does it continue to float?
Amphoteric : Amino acids having the characteristics of an acid and a base.
what are th precuotionarymeasures signs,symbols
Explain Agglutination - Detection of Antigen-Antibody Interaction Agglutination - If Ag is present on the surface of cells, or can be made to coat these surfaces of cells, thes
Sterols- steroids containing an alcoholic group at C-3 position and a side chain of 8 to 10 carbon atoms at c-17
Other visible light hazards : Ordinary, visible light can present a hazard under certain conditions. You can burn paper by focussing the sun's rays using a small magnifying lens.
INTRODUCTION : You read about the fire hazards, general precautions and remedial measures in case of an outbreak of fire in the previous unit. In this unit you will learn about t
Assembling First Aid Box : Your Counsellor will show you the contents of the first aid box available at the Study Centre. You observe the contents. As part of this activity, yo
Describe the Soil factors in fertilizer requirements Physical condition of the soil, soil fertility and soil reaction are three important soil factors. A poor physical condi
Determine about the Textural class Textural class names form a graduated sequence from soils that are coarse in texture and easy to handle to the clay soils which are very fine
Medieval Science: We can record the sum total of the medieval achievement in the natural sciences in a few lines. It can be put down as a few notes on natural history a
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