SSC MTS GK Questions 2026

The formula of ammonia is NH3, so its molecular mass is the atomic mass of one nitrogen atom added to the atomic masses of three hydrogen atoms, that is fourteen plus three times one, which equals seventeen unified atomic mass units; one mole of ammonia therefore weighs seventeen grams.

Water drawn from a river, from rain or made in a laboratory always has hydrogen and oxygen in the mass ratio of one to eight, and ammonia always has nitrogen and hydrogen in the ratio of fourteen to three.

The correct answer is B, Antoine Lavoisier, the French chemist who showed by careful weighing in closed vessels that the total mass of the products of a reaction is exactly equal to the total mass of the reactants, so that matter is neither created nor destroyed in a chemical change.

The Satavahanas of the Deccan issued coins mainly in lead and in potin, an alloy of copper with tin, lead and zinc, and some of their issues carry a two-masted ship, which historians read as evidence of their sea-borne trade on the eastern coast.

With effect from 1 April 1957 the rupee ceased to be divided into sixteen annas and sixty-four pice and was divided instead into one hundred units, called naye paise at first and, from 1964, simply paise.

The Arthashastra of Kautilya describes a large body of superintendents, and the Lakshanadhyaksha was the superintendent of the mint, responsible for striking coins of the prescribed weight and alloy.

These coins show a king with the Lichchhavi princess Kumaradevi on one face and a seated goddess with the legend Lichchhavayah on the other, and they are conventionally attributed to Chandragupta I, whose marriage to her strengthened the early Gupta state; some scholars believe his son struck them in his…

Gupta gold coins, called dinara, survive in greater numbers than those of any other ancient Indian dynasty, and their types form a gallery of royal images: the King and Queen type, the Ashvamedha and Lyrist types of Samudragupta, and the Archer and Chakravikrama types of Chandragupta II.

Jahangir struck a celebrated series of gold and silver coins showing the twelve signs of the zodiac, and another series carrying his own portrait, which is unusual in Islamic coinage; he also issued coins in the name of Nur Jahan.

As part of his reform of the currency he issued a silver coin of about one hundred and seventy-eight grains called the rupiya, together with a copper dam and a gold mohur, and fixed their rates of exchange.

In 1329 or 1330 he issued brass and copper tokens declared to be worth a silver tanka.

Iltutmish gave the Delhi Sultanate its standard coinage by issuing the silver tanka and the copper jital, with purely Arabic legends and the name of the mint, and this pair remained the basis of Sultanate currency.

These are the oldest Indian coins, mostly silver pieces cut into irregular shapes and impressed with symbols punched one at a time, such as the sun, a six-armed wheel, hills, trees and animals.

Himanshu Nandal finished third in this race, and the Prime Minister pointed out that it was the third bronze medal to his name at this edition of the Games, calling it an impressive performance.

The duo became Asian Para Games champions in the Women’s Doubles SL3-SU5 class, and the Prime Minister said their superb performance had brought great pride to the nation and hoped they would continue to shine on the international stage.

Mona Agarwal won the gold in this shooting event at the Asian Para Games, and her winning performance stood as a new world record as well as a new Asian Para Games record.

He won the bronze in the men's 400m T64 event, and the Prime Minister said the run on the track had brought another moment of pride for India.

She won the silver in the women's singles SH6 class, and the Prime Minister noted that moving from the bronze of the previous edition to a silver this time was a fine step forward for her.

The pair won the silver in that archery event, and it was described as India's first medal of any colour in the event at the Asian Para Games, which is what made the result historic.

The branch office of the Cotton Corporation of India there identified 511 items of electronic waste for disposal through an e-auction on the Government e-Marketplace, with the bids to be opened in the fourth week of the month.