10 (a) Acid, Base

10 (a) Acid, Base

1st - 11th Grade

33 Qs

quiz-placeholder

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10 (a) Acid, Base

10 (a) Acid, Base

Assessment

Quiz

Chemistry

1st - 11th Grade

Hard

Created by

nur nani

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33 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

An element X forms an oxide which dissolves both in acids and in alkalis.


What could X be?

aluminium

calcium

copper

iron

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which representation of dilute sulfuric acid is correct?

H2(aq) + SO42-(aq)

2H+(aq) + SO42-(aq)

2H+(aq) + SO4-(aq)

H2SO4(ℓ)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which one of the following elements burns in air to form an oxide which, when shaken with water, gives a solution with a pH greater than 7?

carbon

copper

hydrogen

magnesium

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An element is burned in an excess of oxygen. Which statement about the oxide formed is always correct?

It is crytalline solid.

It is greater in mass than the element.

It is soluble in water.

It is white in colour.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which reaction is dilute sulfuric acid not be having as an acid?

H2SO4 + 2NaOH → Na2SO4 +2H2O

H2SO4 + BaCI2 → BaSO4 + 2HCI

H2SO4 + CuO → CuSO4 + H2O

H2SO4 + Mg → MgSO4 + H2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which substance does not produce copper(II) sulfate when added to dilute sulfuric acid?

copper

copper(II) carbonate

copper(II) hydroxide

copper(II) oxide

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a reaction of dilute hydrochloric acid?

Ammonium chloride reacts to give ammonia.

Calcium carbonate reacts to give carbon dioxide

Copper reacts to give hydrogen.

Universal Indicator paper turns blue.

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