Q.1:- What is Zeolite ?
- Hydrated Aluminosilicate
- Hydrated Calcium Sulphate
- Dehydrated Aluminosilicate
- Dehydrated Calcium Sulphate
Q.2:- Which of the following is the main compound of voter ink ?
- Silver Nitrate
- Ammonium Chloride
- Silver Chloride
- Ammonium Nitrate
Q.3:- The chief constituent of natural gas is ?
- Methane
- Helium
- Nitrogen
- Propane
Q.4:- Even after sunset, the air near the Earth’s surface continue to receive heat due to ?
- Insolation
- Terrestrial Radiation
- Conduction
- Convection
Q.5:- The biogas used for cooking is a mixture of which of the following ?
- Carbon Dioxide and Oxygen
- Isobutane and Propane
- Methane and Carbon Monoxide
- Methane and Carbon Dioxide
Q.6:- Nitrogen fixation is a process of ?
- Assimilation of Nitrate
- Utilisation of Nitrogen Gas
- Conversion of Organic Nitrogen to Proteins
- Conversion of Molecular Nitrogen to Ammonia
Q.7:- The antiparticle of an electron is ?
- Positron
- Proton
- Alpha Particles
- Beta Particles
Q.8:- Bridgmanite is ?
- A bridge on the river Thames
- Name of a game
- Earth’s most abundant mineral
- Name of a music
Q.9:- Formic Acid is produced by ?
- White ants
- Cockroaches
- Red Ants
- Mosquitoes
Q.10:- Which of the following is a natural polymer ?
- Bakelite
- Nylon
- Polythene
- Starch
Q.11:- Silica gel is a ?
- Moisturizer
- Flavouring Agent
- Drying Agent
- Delicious Food
Q.12:- Bees sting contains ?
- An acidic liquid
- A salt solution
- An alkaline liquid
- A corrosive liquid
Q.13:- Which one of the following does not contain silver ?
- Horn Silver
- Ruby Silver
- German Silver
- Lunar Caustic
Q.14:- Which is the purest commercial form of Iron ?
- Pig Iron
- Steel
- Stainless Steel
- Wrought Iron
Q.15:- Aluminium salt commonly used to stop bleeding is ?
- Aluminium Nitrate
- Aluminium Sulphate
- Aluminium Chloride
- Potash Alum
Q.16:- Carborundum is another name of ?
- Silicon Carbide
- Silicon Oxide
- Calcium Carbide
- Calcium Oxide
Q.17:- The chemical name of “Plaster of Paris” commonly used for setting broken bones is ?
- Calcium Nitrate
- Calcium Sulphate
- Calcium Carbonate
- Calcium Chloride
Q.18:- Acid Rain is caused due to pollution of atmosphere by ?
- Oxides of Nitrogen and Phosphorus
- Oxides of Carbon and Nitrogen
- Oxides of Nitrogen and Sulphur
- None of these
Q.19:- Which of the following appeared to be with a significant potential for accumulation through food chains ?
- DDT
- Parathion
- Lindane
- Carbary
Q.20:- Ultra purification of a metal is done by ?
- Slugging
- Zone Melting
- Smelting
- Leaching
Q.21:- In galvanization, Iron is coated with ?
- Copper
- Zinc
- Tin
- Nickel
Q.22:- The gas used to extinguish fire is ?
- Neon
- Nitrogen
- Carbon Dioxide
- Carbon Monoxide
Q.23:- The quality of petrol is expressed in terms of ?
- Cetane number
- Gold number
- Octane number
- Added unlead compounds
Q.24:- An example of Heterocyclic compound is ?
- Naphthalene
- Furan
- Benzene
- Anthracene
Q.25:- Nylon is made up of ?
- Polyamide
- Polyester
- Polyethylene
- Polypropylene
