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