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