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