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Write down the chemical equations for the total burning of propane and butane gas in air. Show whether the substances are liquid (l), gaseous (g), or solid (s) under
What metals combine with non-metals, the metal atom tends to: (1) Lose electrons (2) Gain electrons (3) Remain electrically neutral (4)
what are the unique properties of colloids?
can i have some problems regarding law of conservation of mass
The following has zero valency : (1) Sodium (2) Beryllium (3) Aluminium (4) Krypton Ans: Krypton
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
Explain DTA
The coordination number of Ni in the complex is 4, the configuration of Ni +2 , at first sight, shows that the complex is formed by sp 3 hybridization and it is paramagnetic an
Q. Show the Purification of Metals? The metals obtained by metallurgical processes still have some impurities which persist from the ore or are derived from the flux or the fue
Question: Does the number of steps in a reaction process affect the enthalpy change of the overall reaction? Hypothesis: To compare experimental data to functionality of He
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