Class 10 Science - Chapter Carbon and Its Compound NCERT Solutions | Give a test that can be used to differen

Draw the structure for the following compounds.                

       (i)    Ethanoic acid             (ii)   Bromopentane*
       (iii)  Butanone                   (iv)   Hexanal.

*Are structural isomers possible for bromopentane?

What is an homologous series? Explain with an example.

How would you name the following compounds?

   (i)    CH₃  -- CH₂  -- Br

  (ii)

(iii) 

What will be the formula and electron dot structure of cyclopentane?

Explain the nature of the covalent bond using the bond formation in CH₃Cl.

Why are carbon and its compounds used as fuels for most applications?

How many structural isomers can you draw for pentane?

Explain the mechanism of the cleaning action of soaps.

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

Explain the formation of scum when hard water is treated with soap.

Did Döbereiner’s triads also exist in the columns of Newlands’ Octaves? Compare and find out.

What is a good source of energy?

Why is diffusion insufficient to meet the oxygen requirements of multi-cellular organisms like humans?

What are trophic levels? Give an example of a food chain and state the different trophic levels in it.

What changes can you make in your habits to become more environment-friendly?

What is the difference between a reflex action and walking?

What is the importance of DNA copying in reproduction?

If a trait A exists in 10% of a population of an asexually reproducing species and a trait B exists in 60% of the same population, which trait is likely to have arisen earlier?

Why should a magnesium ribbon be cleared before burning in air?

Define the principal focus of a concave mirror.

If all the waste we generate is biodegradable, will this have no impact on the environment?

Plaster of Paris should be stored in a moisture-proof container. Explain why?

What advantage over an aquatic organism does a terrestrial organism have with regard to obtaining oxygen for respiration?

How are the alveoli designed to maximise the exchange of gases?

What are the problems caused by the non-biodegradable wastes that we generate?

What were the limitations of Döbereiner’s classification?

Why is damage to the ozone layer a cause for concern? What steps are being taken to limit this damage?

Why do stars twinkle?

How does phototropism occur in plants?

How are water and minerals transported in plants?