1.
Which of the following has variable composition?
2.
Which of the following is matter?
3.
Which does not show Tyndall effect?
5.
Dalton stated that atoms combine in:
6.
Which is an example of a compound?
7.
Dalton stated that atoms of different elements differ in:
8.
Mixtures are formed by:
9.
Which term describes equal distribution in mixture?
10.
Atoms of same element may differ in:
11.
Compounds are formed by:
12.
Atoms combine chemically to form:
13.
Which of these is not a state of matter mentioned in text?
14.
5,600,000 in exponential notation is:
15.
N×10ⁿ indicates N is:
16.
Modern view says atoms are:
17.
Which cannot be broken down?
18.
In scientific notation, exponent shows:
19.
The symbol representation of elements is called:
20.
Which is true about solutions?
21.
Matter is anything that has ___ and occupies space.
22.
In heterogeneous mixture, constituents are:
23.
Chemical property includes:
24.
Which is a physical property?
25.
A homogeneous mixture has:
26.
Elements are classified into:
27.
The smallest identity of a compound is:
28.
A mixture can be separated by:
29.
Which of these is a heterogeneous mixture?
30.
Which mixture is uniform throughout?
31.
Water (H₂O) can be separated by:
32.
In 3.4×10², the value is:
33.
Which subatomic particle was discovered first?
34.
Dalton said atoms cannot be ___.
35.
Pure substances have:
36.
Air is an example of:
37.
Which statement changed Dalton’s theory?
38.
Which scientific form is correct?
39.
According to Dalton, atoms are:
40.
Milk is an example of:
41.
In a solution, saltwater is an example of:
42.
0.00056 in scientific notation is:
43.
Which is a correct pair?
44.
Elements are made up of:
45.
Which method separates solids from liquids?
