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Methylated spirits burner
A easy burner can be made from an old boot polish tin. Though it is not necessary, a metal tube can be soldered to the top and a twisted piece of wire makes a convenient handle. A piece of rag or cotton waste can be used for a wick.
1. List possible manipulation errors that might contribute to the following errors in results: 1) obtaining a significantly larger amount of NaCl than was present in the original
Q. Example to show scientific notation? Solve the following problem. 2.45 *10 14 kg + 4.00 * 10 12 kg First articulate both quantities to the same power of ten. Either
A mixture is prepared by adding 25.0 mL of 0.185 M Na3PO4 to 34.0 mL of 0.140 M Ca(NO3)2. (a) What mass, in grams, of calcium phosphate will be formed? What will be the concentrati
effect on human body.
Qualitative analysis- Criteria of purity of organic compound The qualitative analysis of an organic compound includes the detection of all the elements that are present in it
addition of different regent in sample of salt changes its colour
write a short note on colour and constitution
what is addition,substitution,rearrangement,elimination reactions?
Classification of proteins - Conjugated proteins The molecules of conjugated proteins are made up of simple proteins and non protein material. The non-protein material is known
Explaination of general characteristic properties
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