QUESTION 15 Which of the following gases is the colored gas? \(\ce{NO2}\) \(\ce{SO2}\) \(\ce{CO2}\) \(\ce{H2S}\) \(\ce{NH3}\) 🔍 Solution \begin{equation*}...

QUESTION 16 Which of the following metal complex ion solutions is the colored solution? \(\ce{^{2+}}\) \(\ce{^{2+}}\) \(\ce{^+}\) \(\ce{^{2-}}\) \(\ce{^-}\)...

QUESTION 01 Which of the following elements is not a noble gas? Ne Ar Br Kr Xe 🔍 Solution...

QUESTION 02 Which of the following elements has the smallest electronegativity? K Cl Zn Li O 🔍 Solution \begin{equation*}...

QUESTION 03 Which of the following atoms has the most valence electrons? N S Na Si F 🔍 Solution...

QUESTION 04 Which of the following molecules has the most lone pair electrons? \(\ce{CH3OH}\) \(\ce{C2H4}\) \(\ce{NH3}\) \(\ce{CO2}\) \(\ce{HCl}\) 🔍...

QUESTION 05 Which of the following oxides is an amphoteric oxide? \(\ce{NO2}\) \(\ce{CO2}\) \(\ce{Na2O}\) \(\ce{CaO}\) \(\ce{ZnO}\) 🔍 Solution \begin{equation*}...

QUESTION 06 Which of the following compounds has the maximum mass percentage of carbon in the compound? \(\ce{CH3CHO}\) \(\ce{C2H5OH}\)...

QUESTION 07 The volume percentage of hydrogen, \(\ce{H2}\), gas is 30% in a mixture of hydrogen gas and methane,...

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