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