WorksheetsCLASS X SCIENCE
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
Which of the following non metals is a good conductor of electricity
a)
Sodium
b)
Nickel
c)
Silver
d)
Iron
2.
Which of the following metal is a good conductor of heat
a)
Iron
b)
Lead
c)
Copper
d)
Mercury
3.
Which one of the following is acidic?
a)
Lemon juice
b)
Tomatoes
c)
Milk
d)
All
4.
The colour of methyl orange in neutal solution is
(a)
5.
The chemical formula of caustic potash is
(a)
6.
A reaction in which heat is absorbed is called as an (a) reaction.
7.
A reaction in which electrons are lost is known as (a) reaction.
8.
Acids release (a) ions in the solution
9.
(a) are those substances which tell us whether a substance is acidic or basic by change in colour.
10.
Non metallic oxides are (a) in nature.
100 %
