$CATEGORY: Science - Khan Academy/2.Acids, Bases and Salts/2.Acids, Bases and Salts--More About Salts

//Multiple Choice

A salt formed by the reaction of a strong acid and a strong base is generally\:
{
~ Acidic
~ Basic
= Neutral
}

Ammonium chloride (NH₄Cl) is\:
{
~ Neutral salt
= Acidic salt
~ Basic salt
}

A salt formed by the reaction of a weak acid and a strong base is\:
{
~ Neutral
= Basic
~ Acidic
}

Sodium carbonate (Na₂CO₃) is\:
{
~ Neutral salt
~ Acidic salt
= Basic salt
}

A salt solution that turns blue litmus red is\:
{
~ Neutral
= Acidic
~ Basic
}

//True or False

A salt formed from a strong acid and a weak base is acidic in nature. {T}

All salts formed by the neutralization reaction of acids and bases are neutral. {F}

Sodium bicarbonate (NaHCO₃) is a basic salt. {T}

The pH of an acidic salt solution is greater than 7. {F}

Neutral salts do not change the color of litmus paper. {T}

//Fill in the blanks

A salt formed by the reaction of HCl and NaOH is __________.
{
~ Acidic
= Neutral
~ Basic
}

The pH of a neutral salt solution is approximately __________.
{
= 7
~ 3
~ 9
}

A salt formed by a weak acid and a strong base is __________ in nature.
{
= Basic
~ Neutral
~ Acidic
}

The salt ammonium sulfate is __________ in nature.
{
~ Neutral
= Acidic
~ Basic
}

A basic salt is formed when __________ reacts with a weak acid.
{
~ A weak base
= A strong base
~ A neutral base
}


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