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