علوم

علوم

KG - 9th Grade

8 Qs

quiz-placeholder

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علوم

علوم

Assessment

Quiz

Science

KG - 9th Grade

Practice Problem

Hard

Created by

mona shaker

Used 24+ times

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

White precipitate is

Cu

NaNo3

AgCl

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Red precipitate is

Cu

NaNo3

AgCl

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Compound has black colour is

Co

Cu

Cuso4

CuO

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Red compound is

CuO

AgCl

Hgo

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mg+......... give mgso4+cu

Cu2So4

CuSo4

Cumg

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of them is faster in reaction zn or Al in reaction with water

Zn

Al

Nin of the above

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cu can substitute H atom

True

False

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

H2Co3 decompensated in to

H2+Co3

H2C+O3

H2O+Co2