Questions

Metals react with sodium hydroxide to produce ___________.

____ is the most electropositive and ___ is the most electronegative element of the third period of modern periodic table.

__________________ is a drug or substance that makes you feel relaxed and makes your body work and react more slowly.

In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice. 
Sarla changed the curtains.

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.

Lila said to her mother, "I can choose to dress the way I want to."

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

Courteousness and refinement of manner.

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.

Aqueous rocks of equal

X-exhibit in like manner a stratification nearly undisturbed
Y-over the lake-district of North America, and
Z-antiquity extend for hundreds of miles

What is the name of the crypto currency planned by Reliance Jio Infocomm Ltd?