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