WorksheetsGENERAL CHEMISTRY 1
Total questions: 20
Worksheet time: 10mins
Mass of a unit volume of a material substance.
(a)
Have neither a definite volume nor a definite shape.
(a)
Who was the first to described plasma in 1920's?
(a)
It is a process by which ions are formed by gain or loss of an electron from an atom or molecule.
(a)
Boson is named in honour of (a) .
It is made up of gluons and quarks.
(a)
A state at which the enthalpy and entropy of a cooled ideal gas reach their minimum value.
(a)
Classification of matter
(a)
Which picture is a pure substance?
A,B,C and D
A,B and C
A and B
D
Which picture is a mixture?
A,B,C, and D
A,B, and C
A and B
D
Which picture is an element?
A, B, C, and D
A, B, and C
A and B
D
Which picture is a compound?
A, B, C and D
A, B, and C
C
C and D
Which picture contains particles?
A, B, C, and D
A, B, and C
C
C and D
Which picture contains atoms?
all of them
C only
none of them
A, B, and D
Which picture contains elements?
A only
C only
B, C, and D
C and D
Which contains a mixture of compounds?
A only
C only
B only
none of them
How would you classify the matter in the picture above?
element
compound
homogenous mixture
heterogeneous mixture
How many different elements are in this chemical formula: C2H2PK3
6
2
8
4
How many ATOMS are in the compound C2H2PK3
8
7
4
3
Which term defines any substance that cannot be broken down into a simpler substance?
an atom
element
compound
molecule
