NDA GK Questions 2026

These are the only two elements that are liquid at standard room temperature and pressure: mercury is a metal and bromine is a non-metal.

Sodium carbonate, called washing soda in its hydrated form Na₂CO₃·10H₂O, removes both temporary and permanent hardness of water. Hard water contains dissolved calcium and magnesium salts, which stop soap from lathering.

Castro came to power in Cuba only in 1959 and was not among the founders of the Non-Aligned Movement; he became prominent in it later and chaired the 1979 Havana summit.

Abhinav Bindra won the men's 10 m air rifle event at the 2008 Beijing Olympics on 11 August 2008, India's first individual Olympic gold.

Retired Karnataka High Court judge K. S. Puttaswamy challenged the Aadhaar scheme in 2012, and his petition led to the 2017 ruling that privacy is a Fundamental Right.

The famous line opens the Preamble to the Constitution of UNESCO, adopted in London in November 1945.

H₂S is a colourless gas with the familiar smell of rotten eggs, and the human nose can detect it even in very small amounts.

This statement is wrong: Shola forests grow in the high hills of South India, in the Western Ghats, not in the Himalaya.

Nylon 6 is made from a single monomer, caprolactam, whose ring opens on heating and joins up into long polyamide chains.

The Swedish chemist Berzelius proposed around 1813–1814 that each element be written with one or two letters taken from its name, the system still used today.

A soda-acid extinguisher holds a solution of sodium hydrogen carbonate (baking soda) and a small bottle of sulphuric acid; when the two mix, carbon dioxide is released.

Article 51 says nothing about UN peacekeeping forces; it is a Directive Principle on the promotion of international peace and security.

India signed a contract worth about 5.4 billion US dollars with Russia in October 2018 for five squadrons of the S-400 Triumf long-range surface-to-air missile system.

Dr. B. R. Ambedkar called Article 32 the very soul and heart of the Constitution because it makes the Fundamental Rights enforceable.

Nitrogen gas is the element itself in a very stable form, and plants cannot take it up directly from the soil or the air, so it is not used as a fertilizer.

This department belongs to the Ministry of Jal Shakti, not to the Ministry of Home Affairs. The Ministry of Jal Shakti was formed in 2019 by merging the Ministry of Water Resources, River Development and Ganga Rejuvenation with the Ministry of Drinking Water and Sanitation.

Indian monsoon rain is shaped by relief, varies widely by region and season, and falls in heavy bursts, but its onset and withdrawal are not regular.

Lactobacillus turns the lactose sugar of milk into lactic acid, which sours the milk and makes it set into curd.

The lander of Chandrayaan-2 was named Vikram after Vikram Sarabhai, the father of India's space programme. Chandrayaan-2 was launched by ISRO on 22 July 2019 on a GSLV Mk III rocket from Sriharikota.

On heating, sodium bicarbonate releases carbon dioxide gas, whose bubbles make dough rise and turn cakes and bread soft and spongy.