Na2CO3.10H2O is known as –
Revision (Chapter 1&2)

Quiz
•
Chemistry
•
9th - 12th Grade
•
Hard
Sangya Tiwari
Used 1+ times
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Baking soda
Baking powder
Washing soda
Bleaching powder
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following are present in a dilute Aqueous solution of hydrochloric acid?
H3O+ + Cl–
H3O + OH–
Cl– + OH–
Unionised HCl
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify the product which represents the solid state in the above reaction.
Barium chloride
Barium sulphate
Sodium chloride
Sodium sulphate
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following salts does not contain water of crystallisation?
Blue vitriol
Baking soda
washing soda
gypsum
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mild non-corrosive basic salt is
Ca (OH)2
NaCl
NaOH
NaHCO3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The colour of the solution observed after 30 minutes of placing zinc metal to copper sulphate solution is
Blue
Colourless
Dirty green
Reddish Brown
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
On adding dilute sulphuric acid to a test tube containing a metal ‘X’, a colourless gas is produced when a burning match stick is brought near it burns with pop sound. Which of the following correctly represents metal ‘X’?
Sodium
Sulphur
Copper
Silver
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An element with atomic number_____ will form a basic oxide.
7 (2,5)
17 (2,8,7)
14 (2,8,4)
11 (2,8,1)
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is the correct observation of the reaction shown in the above set up?
Brown powder of Magnesium oxide is formed.
Colourless gas which turns lime water milky is evolved.
Magnesium ribbon burns with brilliant white light.
Reddish brown gas with a smell of burning Sulphur has evolved
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