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