1.
Which of the following has variable composition?
2.
Dalton stated that atoms of different elements differ in:
3.
In 3.4×10², the value is:
4.
Which of these is a heterogeneous mixture?
5.
5,600,000 in exponential notation is:
6.
In a solution, saltwater is an example of:
7.
Which of these is not a state of matter mentioned in text?
8.
Milk is an example of:
9.
Which method separates solids from liquids?
10.
Which is a correct pair?
11.
Matter is anything that has ___ and occupies space.
12.
Mixtures are formed by:
13.
According to Dalton, atoms are:
14.
Water (H₂O) can be separated by:
15.
Atoms combine chemically to form:
16.
A mixture can be separated by:
17.
Example of metalloid:
18.
0.00056 in scientific notation is:
19.
Which is true about solutions?
20.
Which scientific form is correct?
21.
Which of the following is matter?
22.
Chemical property includes:
23.
In scientific notation, exponent shows:
24.
Dalton said atoms cannot be ___.
25.
The smallest identity of a compound is:
26.
Which cannot be broken down?
27.
Dalton stated that atoms combine in:
28.
Which term describes equal distribution in mixture?
29.
Which does not show Tyndall effect?
30.
Which is an example of a compound?
31.
Which subatomic particle was discovered first?
32.
Compounds are formed by:
33.
Pure substances have:
34.
Which is a physical property?
35.
Elements are classified into:
36.
Which statement changed Dalton’s theory?
37.
Modern view says atoms are:
38.
In heterogeneous mixture, constituents are:
39.
Elements are made up of:
40.
The symbol representation of elements is called:
41.
Which mixture is uniform throughout?
42.
A homogeneous mixture has:
43.
Atoms of same element may differ in:
44.
N×10ⁿ indicates N is:
45.
Air is an example of: