What is a homologous series? Explain with an example. Ans - The series of compounds, which has the same Chemical properties, functional...

While cooking, if the bottom of the vessel is getting blackened on the outside, it means that (a) the food is not cooked completely. (b)...

Butanone is a four-carbon compound with the functional group (a) carboxylic acid (b) aldehyde (c) ketone (d) alcohol Ans - option C i.e...

Ethane, with the molecular formula C2H6 has (a) 6 covalent bonds. (b) 7 covalent bonds. (c) 8 covalent bonds. (d) 9 covalent bonds Answer...

People use a variety of methods to wash clothes. Usually after adding the soap, they ‘beat’ the clothes on a stone, or beat it with a...

Would you be able to check if water is hard by using a detergent? Solution: It is not possible to check if water is hard by using a...

What are oxidising agents? Solution: Oxidising agents are those compounds which either removes Hydrogen or adds oxygen to a compound. Ex:...

How would you distinguish experimentally between an alcohol and a carboxylic acid? Solution: On reaction with Sodium Carbonate,...

A mixture of oxygen and ethyne is burnt for welding. Can you tell why a mixture of ethyne and air is not used? Solution: A mixture of...

Why is the conversion of ethanol to ethanoic acid an oxidation reaction? The removal of Hydrogen atom and addition of oxygen it is an...

What are the two properties of carbon which lead to the huge number of carbon compounds we see around us? Solution: Two properties of...

How many structural isomers can you draw for pentane? Solution: Structural isomer of pentane are n-pentane 2-methylbutane 2,...

What would be the electron dot structure of carbon dioxide which has the formula CO2?

IUPAC Nomenclature Practice Sheet - 4

IUPAC Nomenclature Practice Sheet - 3

Q. Write the function of the following in the human alimentary canal: (i) Saliva (ii) HCl in stomach (iii) Bile juice (iv) Villi (B)...

Q. Why is there a difference in the rate of breathing between aquatic organisms and terrestrial organisms? Explain. [CBSE 2020]...

The blood has platelet cells which circulate around the body and help to clot the blood at the time of injury. In the absence of...

Fishes respire with the help of gills. Gills are richly supplied with blood capillaries and can readily absorb oxygen dissolved in water....

Q. How do the guard cells regulate opening and closing of stomatal pores? [CBSE 2013] Ans. Stomata are tiny openings present on the...