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