Common English Phrases । Daily Use Vocabulary Words & Sentences

Choose the correct word/phrase from within the brackets to complete the following sentences : The catalyst used for conversion of ethene to ethane is commonly ............ (nickel / iron / cobalt)

Choose the correct word/phrase from within the brackets to complete the following sentences : The product formed when ethene gas reacts with water in the presence of sulphuric acid is ........ (ethanol / ethanal / ethanoic acid)

Choose the correct word/phrase from within the brackets to complete the following sentences : Write the equation for the reaction taking place between 1, 2-dibromoethane and alcoholic potassium hydroxide.

A code word consists of three letters of the English alphabet followed by two digits of the decimal system. If neither letter nor digit is repeated in any code word, then the total number of code words, is

Choose the correct word/phrase from within the brackets to complete the following sentences : Ethanoic acid reacts with ethanol in presence of concentrated H_2SO_4 , so as to form a compound and water. The chemical reaction which takes place is called.... (dehydration / hydrogenation / esterification)

State True or False: A single small letter of the English alphabet is used to denote a point.

Ethanol can be converted to ethene which can then be changed to ethane. Choose the correct word or phrase from the brackets to complete the following sentences: The catalyst used in the conversion of ethene to ethane is commonly - (iron/ nickel)

Answer the following questions in one word or one sentence: What is the common name of sodium hydroxide?