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