1.
Elements are classified into:
2.
Mixtures are formed by:
3.
Which of the following has variable composition?
4.
In scientific notation, exponent shows:
5.
Dalton stated that atoms of different elements differ in:
6.
Which does not show Tyndall effect?
8.
Milk is an example of:
9.
Which scientific form is correct?
10.
Which of these is not a state of matter mentioned in text?
11.
In a solution, saltwater is an example of:
12.
Dalton stated that atoms combine in:
13.
Atoms of same element may differ in:
14.
Modern view says atoms are:
15.
5,600,000 in exponential notation is:
16.
A mixture can be separated by:
17.
A homogeneous mixture has:
18.
The symbol representation of elements is called:
19.
Dalton said atoms cannot be ___.
20.
Atoms combine chemically to form:
21.
Which of the following is matter?
22.
Which is a physical property?
23.
In 3.4×10², the value is:
24.
Which is true about solutions?
25.
Which statement changed Dalton’s theory?
26.
Compounds are formed by:
27.
Which is a correct pair?
28.
N×10ⁿ indicates N is:
29.
Which method separates solids from liquids?
30.
The smallest identity of a compound is:
31.
In heterogeneous mixture, constituents are:
32.
Air is an example of:
33.
Which term describes equal distribution in mixture?
34.
Which cannot be broken down?
35.
Which subatomic particle was discovered first?
36.
Elements are made up of:
37.
0.00056 in scientific notation is:
38.
Water (H₂O) can be separated by:
39.
Which is an example of a compound?
40.
According to Dalton, atoms are:
41.
Matter is anything that has ___ and occupies space.
42.
Which mixture is uniform throughout?
43.
Which of these is a heterogeneous mixture?
44.
Chemical property includes:
45.
Pure substances have: