List of top Chemistry Questions

Which one of the following pair belongs to same homologous series?
The gas liberated when metallic sodium reacts with ethanol
The flux used in extraction of iron from haematite is
How many molecules of hydrogen are present in 10 g of hydrogen ?
Which of the following represents the correct order of electronegativity among halogens?
Which of the following is not an ionic compound?
The molecule in which the central atom has one lone pair of electrons in its valence shell is
Plaster of Paris is___
The bond angle in CH4 molecule is
Which of the following molecules has a triple bond?
The gas formed when Zn is treated with dil. HCl is
The compound formed in the following reaction is
\(\text{CH}_3-\text{CH}_2-\text{OH} \xrightarrow[\text{Conc. H}_2\text{SO}_4]{170^\circ\text{C}} \text{?}\)
What is the prefix used for functional group aldehyde ?
Functional group present in carboxylic acid is
The electronegativity difference between the elements 'A' and 'B' is 3, then the bond formed in AB molecule is
The element discovered in the place of Eka-Aluminium is
Germanium (Ge) is
Nature of non-metal oxides is generally
Which one of the following molecules has higher bond angle?
Amorphous allotrope of carbon is
Which one of the following is not formed when metal carbonate reacts with dilute acid?
In the process of calcination, the ore is heated in the___
Pyrolusite is a ore of
Elements possessing atomic numbers, 3, 11, 19, 37 belong to__block.

Given below are two statements: 
Statement I: The nutrient deficient water bodies lead to eutrophication.
Statement II: Eutrophication leads to decrease in the level of oxygen in the water bodies.
In the ligth of the above statements , choose the correct answer from the options given below: