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Q. Explain about Extraction of metals? Extraction of metals is very often done by complex formation. For example, the cyanide process for the extraction of silver and gold is w
Q. How to calculate atomic number? Atoms have no net electrical charge for the reason that they contain equal numbers of electrons and protons. Therefore positive charges (prot
what is laws of chemical combination............answer should be in 250 words
The amount of energy released when one mole of bonds are formed among the corresponding gaseous atoms is known as Bond energy.
ionic bonds are usually formed by combination of elements with which type of ionisation potential or electron affinity
Correct configuration of Fe +3 [26] is: (1) 1s 2 , 2s 2 , 2p 6, 3s 2, 3p 6 , 3d5 (2) 1s 2 , 2s 2, sp 6 , 3s 2 , 3p 6 , 3d 3 , 4s 2 (3) 1s 2 , 2s 2 , 2p
volcanization methiods
Classification of dyes according to their application Direct dyes: this type of dyes can be directly applied to the fiber, both vegetable and animal, by dipping in hot aqueo
Q. Describe about tetrahalides? S, Se, Te and Po form tetrahalides with all the halogens. However, tetrafluoride of polonium, tetrabromide of sulphur and tetraiodides of sulphu
Calculate the pH of 0.100 L of a buffer solution that is 0.22M in HF and 0.53M in NaF
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