Developing A Computational Thinking Based E-Content In Chemistry For Enhancing Select Cognitive Variables Of Students At Higher Secondary Level
Developing A Computational Thinking Based E-Content In Chemistry For Enhancing Select Cognitive Variables Of Students At Higher Secondary Level
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Evaluation - equilibrium - Salt hydrolysis
Question 1: Which of the following salts will produce a basic solution when dissolved in water?
NaCl
NH4Cl
KNO3
Na2CO3
Question 2: Which of the following salts will produce an acidic solution when dissolved in water?
NaBr
KCl
FeCl3
NaNO3
Question 3: When ammonium chloride (NH4Cl) is dissolved in water, which of the following ions undergo hydrolysis?
NH4+ only
Cl− only
Both NH4+ and Cl−
Neither NH4+nor Cl−
Question 4: What is the pH of a solution formed by dissolving sodium acetate (CH3COONa) in water?
Less than 7
Equal to 7
Greater than 7
Cannot be determined
Question 5: Which of the following salts does not undergo hydrolysis when dissolved in water?
NaCl
NH4NO3
Al2(SO4)3
CH3COONa