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