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Making a 'burp' bottle
Fit a bottle or flask with a single-hole stopper which carries a funnel. Put the stopper firmly in the bottle and then pour water into the funnel. The bottle will-'burp' at usual intervals.
compare water stills and deionizer
in a reaction 5.3g of sodium carbonate reacted with 6g of ethanic acid. theproducts were 2.2 g of carbon dioxide , 0.9g water and 8.2 g of sodium ethanoate, show that these observa
Neptune The eigth planet, Neptune, was discoveted in 1846 by astronomer Johann Gottfried Galle. We have already told you the story of its discovery in last. It is so f
In the following table state how gymnosperms are adapted for living on land with respects to each of the following aspects Aspect Adaptation for living on land Alternation of Gener
how can work allocate and free algorithm in data structure
Pollution due to Radiations: Hazards of nuclear radiations are extremely serious, because they upset the genetic make up of the living beings. Environmental pollution from
what are the different respiratory disease in man . give their symptoms and cause
How soap helps water in cleaning Prepare two greasy cloths by smearing kitchen fat or vaseline on cloths. Wash one sample in warm water without soap. Wash the other sample in w
Ribonucleic acid (RNA) and deoxyribonucleic acid (DNA) have ribose and deoxyribose as the pentose sugar, respectively. They also differ, to some extent, in possession of nit
Define Principle Colorimetric Method for the Estimation of Phosphorous? The proteins in the blood are precipitated with the help of trichloroacetic acid. The protein free filtr
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