Search Header Logo

Brain storm 8 class

Authored by Aida Jumabekova

Chemistry

1st - 12th Grade

Used 10+ times

Brain storm 8 class
AI

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

17 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Найдите правильное уравнение. Валентность железа- 3, валентность кислорода- 2

FeO

Fe3O4

Fe2O3

Fe3O2

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Найдите правильное уравнение.

Валентность серы 2, валентность кислорода 2

SO

S2O2

SO4

SO3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Валентность Калия 1, валетность кислорода 2

KO2

KO

K2O

K2O2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Укажите серную кислоту

HNO3

H3PO4

HCl

H2SO4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Укажите азотную кислоту

HNO3

HCL

HNO3

H3PO4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Какая кислота содержится в желудке

H2SO4

HNO3

HCL

H3PO4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Укажите реакцию металла с раствором соли

CuSO4 + Zn = Zn SO4 + Cu

Mg + HCL= MgCL2 + H2

Na + H2O= NaOH + H2

Mg + O2 = MgO

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Microsoft

Continue with Microsoft

or continue with

Facebook

Facebook

Apple

Apple

Others

Others

By signing up, you agree to our Terms of Service & Privacy Policy

Already have an account?