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