Q. Which one of the following is essential in corrosion of iron metal?
1) Oxygen only
2) Oxygen and moisture
3) Hydrogen only
4) Hydrogen and moisture
Q. Which one of the following acids is used in the car-batteries?
1) Acetic Acid
2) Hydrochloric Acid
3) Sulphuric Acid
4) Nitric Acid
Q. Which one of the following is not a green house gas found naturally in the atmosphere?
1) Nitrogen oxide
2) Carbon dioxide
3) Methane
4) Ozone
Q. Which one of the following substances is not synthetic?
1) Fibroin
2) Lexan
3) Neoprene
4) Teflon
Q. Which of the following sub-stances is obtained from a tree?
1) Asafoetida
2) Bitumen
3) Tincal
4) None of the above
Q. Which of the following polymer is not a thermoplastic?
1) Teflon
2) Neoprene
3) Polystyrene
4) Polythene
Q. Which of the following statements is/ are correct -
I. The addition of oxygen to a substance is called oxidation.
II. The removal of hydrogen from a substance is called oxidation.
Correct code is -
1) Only I
2) Only II
3) I and II both
4) Neither I nor II is correct
Q. Which of the following is a form of 'Calcium Carbonate'?
I. Limestone
II. Marble
III. Chalk
IV. Egg-shells
Correct code is -
1) Only I
2) Only I, II and IV
3) Only I and II
4) I, II, III and IV
Q. Which of the following does not contribute to the acid rain?
1) Nitrogen Monoxide
2) Sulphur Dioxide
3) Carbon Monoxide
4) Carbon Dioxide
Q. How many covalent bonds are present in a Chloropropane molecule having molecular formula, C3H7Cl?
1) 6
2) 8
3) 9
4) 10
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