symbol of sodium
chemical substances class 7

Quiz
•
Chemistry
•
7th Grade
•
Medium
Sameeksha Singh
Used 240+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
k
Fe
Na
Ag
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
balance the equation - H2 + O2 = H2O
2H2 + O2 = 2H2O
3H2 + O2 = 3H2O
H2 + O = H2o
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
decomposition reaction is just revers of combination reaction
true
false
4.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
name the ion =
ch3coo-
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
what is neutralisation reaction
a reaction in which two or more substances combine to form a new substances
a reaction between acid and base
a reaction in which a strong element displaces a weak element
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
what is the charge of zinc (Zn)
2+
3-
4-
8+
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
what is the name of -
CaCo3
calcium chloride
calcium phosphate
calcium carbonate
Create a free account and access millions of resources
Similar Resources on Wayground
10 questions
Writing Ionic Formulas

Quiz
•
7th Grade
11 questions
Chemical Reactions

Quiz
•
6th - 8th Grade
10 questions
Metal Oxides

Quiz
•
7th - 11th Grade
13 questions
crime busters powders test

Quiz
•
6th - 9th Grade
10 questions
Chemical Symbols and Formulas

Quiz
•
7th Grade
14 questions
Displacement Reactions (KS3) Quiz 1

Quiz
•
6th - 8th Grade
15 questions
Chemicals and chemical formulae

Quiz
•
7th - 9th Grade
10 questions
Chemical symbols PART i

Quiz
•
7th - 8th Grade
Popular Resources on Wayground
25 questions
Equations of Circles

Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)

Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System

Quiz
•
10th Grade
10 questions
Writing and Identifying Ratios Practice

Quiz
•
5th - 6th Grade
36 questions
Prime and Composite Numbers

Quiz
•
5th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
37 questions
Camp Re-cap Week 1 (no regression)

Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade