Q. Most commonly used bleaching agent is -
1) Alcohol
2) Carbon dioxide
3) Chlorine
4) Sodium chloride
Q. What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ?
1) There is a violent explosion
2) There is no reaction
3) The paper ignites
4) There is a crackling sound
Q. Which of the following is used in the preparation of Nuclear bombs?
1) Zirconium
2) Uranium
3) Molybdenum
4) Vanadium
Q. Bauxite is the ore of -
1) Iron
2) Zinc
3) Tin
4) Aluminium
Q. The Chemical formula of baking soda is -
1) NaHCO3
2) Na2CO3
3) Ca(OH)2
4) CaCO3
Q. Calcium carbide is used for artificial ripening of green fruits because it produces -
1) Auxin
2) Florigen
3) Methylene
4) Acetylene
Q. Brass is an alloy of -
1) copper and iron
2) zinc and iron
3) copper and zinc
4) iron and nickel
Q. Soda water obtained by passing carbon dioxide in water is -
1) an oxdising agent
2) basic in nature
3) acidic in nature
4) a reducing agent
Q. Which of the following acids does not contain oxygen ?
1) Nitric acid
2) Sulphuric acid
3) Hydrochloric acid
4) All of the above
Q. Baking soda is -
1) sodium carbohydrate
2) sodium bicarbonate
3) sodium sulphate
4) sodium hydroxide
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