Worksheet
1
Name:
______________________________________________
Std
:8
Topic: Acid Bases and Salts
1.
Tick the correct alternative
.1.
Acid are _________ to taste
A. Pungent B. Bitter C. Sour
2. ___________
is an example of Acid.
A. Vinegar B. Soap C. Toothpaste
3. Acid
turns ________
A. Red
Litmus Blue
B. Blue
Litmus Red
C. Does
not affect Litmus Paper
4. Acids
have hydrogen ions in them, hence _________ is acid
A . NaOH B. HCl C. CaO
5. Acid
are used to prepare _________
A. Toothpaste B. Soap C. Battery
6. Bases
are __________ to touch.
A. Soapy B. Rough C. Hard
7. Phenolphthalein
gives __________ color with bases
A. Blue B. Red C. Pink
8. A base among the following is ________.
A. Hydrochloric
acid B. sulphuric Acid C. Sodium hydroxide
9. ____________
is used to remove grease stains from clothes.
A. sulphuric
Acid B. Sodium hydroxide C. Aluminium hydroxide.
10. An
olfactory indicator is ___________
A. litmus B. Eucalyptus C. Phenolphthalein
