Question

I am challengeing you complete all
The universal solvent is
a) Alcohol
b) Petrol
c) Water
d) Acid
An example of a compound is
a) Nitrogen
b) Common salt c) Iron
d) Sulphur
Number of atoms present in one molecule of an element is called
a) Valency
b) Oxidation number c) Atomicity
d) Iron
Among the following, an example of
a) Hydrogen
b) Carbondioxide c) Water
d) all the above
The highly electropositive elements are
a) Metals
b) Non-metals c) Metalloids
d) Anions
Selenium is a
a) Metals
b) Non-metals c) Metalloids
d) Both a and b
The tendency of element to lose electrons is
a) Electropositivity b) Electronegativity c) Cation
d) Anion
Electronic configuration is 1s 2s 2p the non-metal is
a) Sulphur
b) Phosphorus C) Nitrogen
d) Carbon
An example for a mixture is
a) Water and salt b) Water
c) Salt
d) Alcohol
Smallest particle of an element or compound which has independent existence and can retain all
the properties is called
a) H
b) CO
c) НО
d) All of these
IS
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Answer 1

Answer:

c. water

b. common salt

c. atomicity

not complete question

d. anions

Answer 2

Answer:

• water
• common salt
• atomicity
• water
• metals
• electropositive
• Phosphorus
• water and salt
• atom