Q. Which of the following is not a covalent compound?
1) Copper Sulphate
2) Methane
3) Water
4) Amonia
Q. Which of the following are uses of Biogas?
I. Cooking Food
II. Lighting
III. Run engines of water pumping sets
IV. Generating electricity
Correct code is -
1) Only I
2) Only I and II
3) Only I, II and IV
4) I, II, III and IV all
Q. How much amount of urea will be required for supplying 1 kg of nitrogen?
1) 2.0 kg
2) 2.2 kg
3) 2.5 kg
4) 2.7 kg
Q. Plaster of Paris is made up of -
1) Marble
2) Cement
3) Gypsum
4) Limestone
Q. Which pollution is responsible for Knock-Knee-Syndrome?
1) Fluoride
2) Mercury
3) Arsenic
4) Cadmium
Q. Arrange the following substances in chronological order of their first synthesis in lab -
1. Black gold 2. Fullerene 3. Graphene 4. Kevlar
Select correct answer from the codes given below -
Codes :
1) 1 2 3 4
2) 4 2 3 1
3) 2 4 3 1
4) 4 1 2 3
Q. A sample of any of the following substances disappears after some-time when exposed to air like camphor, naphthalene or dry ice. This phenomenon is called -
1) Sublimation
2) Evaporation
3) Diffusion
4) Radiation
Q. The gas, which is emitted in the paddy fields and increases the earth's temperature is -
1) Nitrogen
2) Carbon dioxide
3) Carbon monoxide
4) Methane
Q. Which of the following is an example of herbicide?
1) Sodium chlorate
2) Potassium permanganate
3) Bleaching powder
4) None of the above
Q. Which one of the following materials contains calcium?
1) China clay
2) Corundum
3) Gypsum
4) Talc
Interior design is a fun and creative field. It mixes art and practicality to make spaces look good and work well. With more people wanting great places to live and work, the need for skilled interior designers is rising. Let’s look at what it takes to have a career in interior design, including nee →
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