Grade 4 & 5 Chemistry: Free Trial*

G. 10 & 11

Chemistry

F. 4 & 5

Hello , welcome to QuizTime @ Quantum Solverz!

This MCQ is a great way to help you revise this topic.
You will get 10 random questions for 20 minutes each time you take the quiz. Good luck!

0 votes, 0 avg

Hello ! Welcome to KuizTime @ Quantum Solverz.

Kuiz Time Over!

G. 10 & 11 / F. 4 & 5

Chemistry: Free Trial*

MCQs

Welcome to KuizTime @ Quantum Solverz.

User NameEmailPhone NumberCountryCountry - Town/City

1 / 10

1. I dissolve 10g of NaOH in 100 $cm^{3}$ of water. Which is the correct concentration in both $gdm^{-3}$ and $moldm^{-3}$?

A. 100 $gdm^{-3}$; 2.5 $moldm^{-3}$

B. 1 $gdm^{-3}$; 0.025 $moldm^{-3}$

C. 1 $gdm^{-3}$; 4 $moldm^{-3}$

D. 100 $gdm^{-3}$; 0.4 $moldm^{-3}$

2 / 10

2. If a reversible reaction is exothermic in the forward direction, in the reverse direction it will be...

A. exothermic

B. unknown - you cannot tell

C. slower

D. endothermic

3 / 10

3. Pick the correct equation for the reaction between hydrochloric acid and iron oxide.

A. Hydrochloric acid $+$ iron (III) oxide $\longrightarrow$ iron (III) chlorate solution $+$ water

B. Sulphuric acid $+$ iron (III) oxide $\longrightarrow$ iron (III) chloride solution $+$ water

C. Hydrochloric acid $+$ iron (III) oxide $\longrightarrow$ iron (II) chloride solution $+$ water

D. Hydrochloric acid $+$ solid iron (III) oxide $\longrightarrow$ iron (III) chloride solution $+$ water

4 / 10

4. What happens to the electron configuration of the atoms involved in ionic bonding?

A. The electron configuration becomes that of a noble gas

B. The electron configuration always loses one electron

C. The electron configuration always gains an electron

D. The electron configuration stays the same

5 / 10

5. What is the electronic configuration for an $O^{2-}$ ion?

A. 2:7

B. 2

C. 2:8

D. 2:8:2

6 / 10

6. Methane is covalently bonded. How many bonds are involved?

A. 4

B. 3

C. 2

D. 1

7 / 10

7. Glucose molecules are formed from atoms of carbon, hydrogen and oxygen. What type of bonding is present in a glucose molecule?

A. Hydrogen

B. Metallic

C. Covalent

D. Ionic

8 / 10

8. Superconductors...

A. work at any temperature

B. have little or no resistance

C. conduct heat better than other materials

D. conduct an orchestra really well

9 / 10

9. If a potential difference is applied to a metal...

A. the fixed electrons will stay in place and no current will pass through the metal

B. the negative ions will move through the metal carrying the electrical current

C. the delocalised electrons will move through the metal carrying the electrical current

D. the delocalised ions will move through the metal carrying the electrical current

10 / 10

10. The neutrons of an atom are found...

A. dotted throughout the atom

B. in the nucleus of the atom

C. in lines radiating out from the nucleus

D. in orbit around the outside of the nucleus

reCAPTCHA field is required please complete!

Your score is

Exit

Quiz yourself to the top of the class by Playing the Quiz!

User Leaderboard Position: Leaderboard Position of Current User in this quiz (Your Position) is:

Individual leaderboard: List of Top 10 Users who completed this quiz

Pos.	Name	Score	Duration	Points	Country
1	leo	60 %	1 minutes 40 seconds	6 / 10	Cameroon
2	Nthabeleng	40 %	5 minutes 53 seconds	4 / 10	South Africa
3	Guest	0 %	0 second	0 / 0
4	Guest	0 %	0 second	0 / 0

Learning by Quizzing

GRADE
1 & 2

GRADE
3, 4, 5, 6, & 7

GRADE
8 & 9

GRADE
10 & 11

GRADE
12

KuizTime
Competitions

KuizTime
Results

Online
Exams

Concours

Quiz yourself to the top of the class by Playing the Quiz!

Forgot Password

Report a question

Quiz yourself to the top of the class by Playing the Quiz!