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