Questions

Which of the following gases is used to prevent food material from getting oxidised?

When the demand for a good increases with an increase in income, such a good is called_______

Acid Rain has pH value of

Which of the following metals is found in free state?

What is the process of slow cooling of hot glass called?

Which type of pathogen causes the water­borne disease Salmonellosis?

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.
No sooner had he finished (1)/ his morning walk (2)/ when it began to rain. (3)/ No Error (4)

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best
expresses the same sentence in Indirect/Direct speech.
Heena said, "I bought a dress yesterday."