Chemistry

Test

Molarity is defined as A) the number of moles of solute dissolved in one dm3 of the solution B) the number of moles of solute dissolved in 1 kg of solvent C) the number of moles of solute dissolved in 1 dm3 of the solvent D) the number of moles of solute dissolved in 100 ml of the solvent

Correct option is (A) The number of moles of solute dissolved in 1dm3 of the solution is called molarity. Molarity = (moles of solute dissoved) / (volume of solvent in dm3) So, answer is...

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Identify the invalid equation.

(A) $\vartriangle $H = $\sum $H products - $\sum $Hreactants (B) $\vartriangle $H = $\vartriangle $U + P$\vartriangle $V (C) $\vartriangle $ HOreaction = $\sum $H0(product bonds) - $\sum...

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Identify the incorrect statement.

(1) Gangue is an ore contaminated with undesired materials (2) The scientific and technological process used for isolation of the metal from its ore is known as metallurgy (3) Minerals are naturally...

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Match the catalyst with the process

Catalyst                                                        Process (i) V2O5                                    (a) the oxidation of ethyne to ethanal (ii) TiCl4+ Al(CH3)3                 (b)...

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