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