Free Printable Acid and Base/Solubility

Worksheets

Acid and Base/Solubility

Total questions: 24

Worksheet time: 30mins

Name

Class

Date

Four substances were tested for pH, lemon juice (pH 2), baking soda (pH 9), bleach (pH 12), and milk (pH 6). Which of the following correctly lists the substances from most basic to acidic?

lemon juice, milk, baking soda, bleach

bleach, baking soda, milk, lemon juice

milk, lemon juice, baking soda, bleach

baking soda, bleach, lemon juice, milk

Which of these is a property of acidic solutions?

they taste sour

they feel slippery

they are in many cleaning products

they taste bitter

Which reactant in the following equation is acting as a Brønsted-Lowry acid?

ammonium

ammonia

hydroxide

water

HSO₄^-_(aq) + H₂O_(l) → H₃O⁺_(aq) + SO₄^2-_(aq)

Identify the Brønsted-Lowry acid in the above reaction.

HSO₄^-

H₂O

H₃O⁺

SO₄^2-

CO₃^2-_(aq) + H₂O_(l) → HCO₃^-_(aq) + OH^-_(aq)

Using the above reaction, which is the conjugate base?

CO₃^2-

H₂O

HCO₃^-

OH^-

Choose the conjugate acid of OH-

HCO₃^-

OH^-

CO₃^2-

H₂O

Choose the conjugate base of HNO₃

HNO₃

H₂O

H₃O⁺

NO₃^-

The conjugate acid for NH₃ is

NH₂

NH₄

H₃

NH₄⁺

A sugar solution has a pH of 7. This means the sugar solution is:

acidic

basic

neutral

10.

KOH will release which ion?

OH-

H+

OH+

H-

11.

The table shows the pH of several solutions. Which solution has the greatest concentration of H⁺ ions?

vinegar

milk

water

bleach

12.

What is the conjugate base in the following reaction?

HCO₃^-

HCl

H₂CO₃

^Cl-

13.

HSO₄^-(aq)+H₂O(l) → H₃O⁺(aq)+SO₄^2-(aq)
Identify the Acid in the above reaction.

HSO₄^-

H₂O

H₃O⁺

SO₄^2-

14.

What is the conjugate base of H₂SO₄?

SO₄^2-

H₂SO₃

HSO₃^1-

HSO₄^1-

15.

NH₃ + H₂O → NH₄⁺ + OH^-

In this example, NH₃ is a Bronsted Lowry...

Acid

Base

conjugate acid

conjugate base

16.

Predict the products of this reaction: AgF + KCl --->

This reaction will not occur.

AgCl + KF

KCl+ AgF

AgK + ClF

17.

What is the state of matter symbol for an insoluble compound?

(s)

(aq)

(g)

(l)

18.

An amphoteric substance can act as:

Only an acid

Only a base

Either an acid or a base

Neither an acid nor a base

19.

Identify if the following solution would be saturated, unsaturated, or supersaturated: 103 g KBr at 70'C.

Unsaturated

Saturated

Supersaturated

20.

Identify how many grams of KNO₃ is required to make a saturated solution at 40'C.

50 g

45 g

55 g

33 g

21.

Mg(NO₃)₂

Soluble

Insoluble

22.

Al₂S₃

Soluble

Insoluble

23.

Na₂CO₃

Soluble

Insoluble

24.

What is a precipitation reaction in chemistry?

A) A reaction where gases are produced.

B) A reaction where two solutions combine to form a solid.

C) A reaction where heat is absorbed.

D) A reaction where only liquids are involved.

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Acid and Base/Solubility

Total questions: 24

Worksheet time: 30mins

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