1.
5,600,000 in exponential notation is:
2.
In scientific notation, exponent shows:
3.
Which is an example of a compound?
4.
A homogeneous mixture has:
5.
Mixtures are formed by:
6.
Dalton stated that atoms of different elements differ in:
7.
According to Dalton, atoms are:
9.
Which is a correct pair?
10.
In a solution, saltwater is an example of:
11.
Water (H₂O) can be separated by:
12.
Atoms combine chemically to form:
13.
Compounds are formed by:
14.
N×10ⁿ indicates N is:
15.
Modern view says atoms are:
16.
In heterogeneous mixture, constituents are:
17.
Which of the following has variable composition?
18.
Milk is an example of:
19.
Which of the following is matter?
20.
Which scientific form is correct?
21.
0.00056 in scientific notation is:
22.
Which method separates solids from liquids?
23.
Which term describes equal distribution in mixture?
24.
Air is an example of:
25.
Which mixture is uniform throughout?
26.
Which is true about solutions?
27.
Which cannot be broken down?
28.
Pure substances have:
29.
Atoms of same element may differ in:
30.
Which of these is a heterogeneous mixture?
31.
A mixture can be separated by:
32.
Elements are made up of:
33.
Dalton stated that atoms combine in:
34.
Which statement changed Dalton’s theory?
35.
Matter is anything that has ___ and occupies space.
36.
Chemical property includes:
37.
In 3.4×10², the value is:
38.
Which is a physical property?
39.
Which of these is not a state of matter mentioned in text?
40.
The smallest identity of a compound is:
41.
Elements are classified into:
42.
Which subatomic particle was discovered first?
43.
The symbol representation of elements is called:
44.
Dalton said atoms cannot be ___.
45.
Which does not show Tyndall effect?