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