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