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