Questions

The pH of a solutiion is 3. When its pH changes to 6, then H+ ion concentration

The ozone layer protects us from harmful _______________ rays of the sun.

Sri Lanka on 9 December, 2017 formally handed over the control of the southern deep sea port of Hambantota to which country for 99 year lease?

From the given alternative words, select the word which cannot be formed using the letters of the given word:

DHARAMSALA

Ghatotkacha (who ruled in the years 290–305 B.C.) was a king from which dynasty?

The ratio of the ages of man and his wife is 4:3. After 4 years, the ration will be 9:7. If at the time of marriage, the ratio was 5:3, how many years agowere they married?

Thomas Cup is associated with which of the following sports?

Where is the world's highest volcanic mountain Cotopaxi located?