Questions

The conversion of hard water into soft water by boiling or adding calcium hydroxide is called _______.

A solution contains 33 g of common salt in 320 g of water. Calculate the concentration in terms of mass, by mass percentage of the solution.

Improve the bracketed part of the sentence.
If you talk to her nicely, she will probably (allow you) her notes.

Which of the following phrases (i), (ii), and (iii) given below each sentence should replace the phrase printed in bold letters to make the sentence grammatically correct? Choose the best option among the five given alternatives that reflect the correct use of phrase in the context of the grammatically correct sentence. If the sentence is correct as it is, mark (E) i.e., "No correction required" as the answer.
The vilest of the thing that can be done by a person is to ill-treat dogs and other defenseless animals.
i. vile things that can be done by persons.
ii. vilest things that can be done by a person.
iii. vilest thing that can be done by a person.

The xylem in plants are responsible for:

The antibiotic penicillin is obtained from which of the following ?

Which among the following has segmented body?

Which of these monuments enshrines the tomb containing the relics of St. Francis Xavier?