Questions

Earth-worms belongs to the phylum

Which of the following is a symptom of haemophilia?

Why does carbon tetrachloride have no dipole moment?

The amount of BaSO4 formed on mixing an aqueous solution of 2.08 gm of BaCl2 and excess of dilute H2SO4 is ___.

(atomic weights : Ba = 137, Cl = 35.5, S = 32, O = 16)

What is the chemical name of chalk?

Dried fruit like raisins when soaked in water, bulge and get filled with water. What is the scientific reason that explains this daily life event?

In the following question, a sentence has been given in Active/Passive voice. Out of four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice.
The residents celebrated Diwali.

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.
John as well as his friends always _____ the permission of his mother before going for a rugby match.