1.
Atoms of non-reactive elements are called:
2.
According to the Law of Conservation of Mass:
3.
A molecule is defined as:
4.
Which of the following always has fixed chemical formula?
5.
Which statement best describes a molecule?
6.
Which of the following is used as evidence of fixed composition?
7.
Avogadro’s Law states that equal volumes of gases contain:
8.
Which one is an example of a pure compound?
9.
Which statement supports Avogadro’s hypothesis?
10.
Which law is basis for balanced chemical equations?
11.
Avogadro proposed his hypothesis in which year?
12.
A pure chemical compound always contains elements:
13.
How many atoms are present in one molecule of CO₂?
14.
Which of the following contains two atoms?
15.
Which among the following is NOT a compound?
16.
Which of the following is a diatomic molecule?
17.
In which state does Avogadro’s law apply?
18.
Which of the following best supports Berzelius’ contribution?
19.
In a chemical reaction, atoms:
20.
Which is an example of a mixture with variable composition?
21.
Which scientist verified the Law of Constant Composition?
22.
Who introduced the term molecule?
23.
The law that states “equal volumes of gases under same conditions contain equal molecules” is:
24.
Noble gases exist as:
25.
Berzelius Hypothesis deals with:
26.
Who proposed the Law of Conservation of Mass?
27.
Why do noble gases not form molecules easily?
28.
Avogadro’s Law applies to:
29.
The Law of Conservation of Mass was proposed in which year?
30.
Law of Constant Composition is also known as:
31.
Berzelius is known for:
32.
The chemical formula of ozone indicates that it contains:
33.
Which of the following exists as a triatomic molecule?
34.
Which is NOT a part of Law of Conservation of Mass?
35.
Who proposed the Law of Constant Composition?
36.
Which of the following is a mixture?
37.
Dalton’s atomic theory is supported by which law?
38.
Which law is applicable only to pure compounds?
39.
The smallest particle of an element that takes part in a chemical reaction is:
40.
Which of the following proves that atoms are not created or destroyed in reactions?
41.
Which part of matter contains only one type of atoms?
42.
Water always contains hydrogen and oxygen in:
43.
Which statement is correct regarding a pure compound?
44.
Which form of matter has variable mass composition?
45.
Who is called the Father of Modern Chemistry?
