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