Chemical substances

Chemical substances

7th Grade

10 Qs

quiz-placeholder

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Chemical substances

Chemical substances

Assessment

Quiz

Science

7th Grade

Easy

Created by

Pooja singla

Used 2+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

All matter is made up of very small particles called

Element

Atom

Molecule

Solid

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A pure substance made up of same kind of atoms called

Element

Molecule

Mixture

Compound

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Chemical symbol for potassium is

Br

Mg

K

Cl

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Chemical symbol for silver is

Au

Na

Ag

Cu

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following shows correct charges on elements

Copper , chloride , Zn, Aluminium

+2, -1 , +3, -1

+2, -2,+3,-1

+2,-1,+2,+3

+1,-2,+3,-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Chemical formula of calcium chloride is

Cucl2

Cacl2

Zncl2

Cacl

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Blowing balloon is a

Physical change

Chemical change

Both

None of these

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