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