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