Q. Why is phosphorus kept under water ?
1) to make it durable
2) to make it wet
3) to save it from catching fire when exposed to dry air
4) water forms a protective coating on it
Q. Which of the following is widely used as an anaesthetic?
1) methane
2) ammonia
3) chlorine
4) chloroform
Q. Which of the following is not a compound of calcium?
1) gypsum
2) marble
3) chalk
4) silicon
Q. Which of the following is not a chemical action?
1) burning of coal
2) conversation of water into steam
3) digestion of food
4) burning of paper
Q. Which of the following is incorrect?
1) Mercury: Hg
2) Silver: Ag
3) Sodium: Na
4) Potassium: Ka
Q. Which of the following is a protein ?
1) rayon
2) terry cotton
3) natural silk
4) nylon
Q. Which of the following is a preservative for fruit juices?
1) CHsCOONa
2) HCOONa
3) CoHsCOONa
4) C2H5ONa
Q. Which of the following is a non-ferrous metal?
1) cobalt
2) aluminium
3) nickel
4) iron
Q. Which of the following is a mixture?
1) gunpowder
2) iron sulphate
3) brass
4) dry ice
Q. Which of the following is a fertilizer?
1) Sodium nitrate
2) Sodium carbonate
3) Sodium peroxide
4) Sodium thiosulphate
IntroductionAre you passionate about sports but don't see yourself as an athlete? Do you find the business side of sports fascinating? A career in sports management could be your winning ticket! This field combines business, sports, and management, offering dynamic roles that go far beyond the field →
Foundation Date: December 8, 1991 Headquarters: The Republic of Belarus Executive Secretaries: Sergei Lebedev Member Countries: 12 Commonwealth of Independent States (CIS) was established on December 8, 1991, and the leaders of the Republic of Belarus, the Russian Federation, and Ukraine signed an a →
In 2009, an unknown programmer by the name of Satoshi Nakamoto put forward a whitepaper that proposed a creation of new form of digital currency - cryptocurrency. Cryptocurrency functions the same way as regular currencies do in that its used as a means of exchange, unit of account and a store of va →
Headquarter: New Delhi Function and Objective of the Organization: The Food Safety and Standards Authority of India (FSSAI)has been established under Food Safety and Standards Act, 2006 which consolidates various acts & orders that have hitherto handled food-related issues in various Ministries →
If you contribute your content to our site. Please mail us your content to editor@onlinegk.net