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