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