A. LimestoneB. Silica ClayC. GypsumD. Ash Related Posts:The first cement factory was built in India in 1904 atWhich one of the following is the main culprit in the…Which of the following is the main reason for producing the…Income Tax Authorities Read More …
Tag: Chemistry MCQs
Nylon is prepared from
A. Adipic acid and hexametheylene diamineB. Ethylene glycol and nitric acidC. Hexametheylene diamine and phthalic acidD. Ethylene clycol and adipic acid Related Posts:The National security of the USA is a document prepared by…The National security of the USA is a Read More …
Phosphorus is mainly extracted from
A. SandB. AshC. Bone ashD. Fertiliser Related Posts:Phosphorus is an essential component of one of the following…The Truman Doctrine was mainly designed to extend economic…Europe’s rapid economic recovery after World War II was…Central Jails are mainly meant forThe earliest arrivals Read More …
The oil used in the froth floatation process is
A. Coconut oilB. Olive oilC. KeroseneD. Pine Oil Related Posts:A agrees to sell to B a “hundred tons of oil”. There is…_______ is a process-to-process protocol that adds only port…The State having the maximum number of oil wells on its Read More …
The material that can be deformed permanently by heat and pressure is called a
A. ThermosetB. ThermoplasticC. Chemical CompoundD. Polymer Related Posts:”Arrange the stages in supply chain management:i. Material…A rectangular water tank is open at the top. Its capacity is…If the radius of blood vessels of a person decreases his/her…The SI unit of “pressure” Read More …
Mass number of a nucleus is
A. the sum of the number of neutrons and protonsB. always more than the atomic weightC. always less than its atomic numberD. None of these Related Posts:In a fission nuclear reaction , a heavy nucleus breaks up…A two number committee Read More …
Due to rusting the weight of iron….
A. decreasesB. increasesC. remains the sameD. uncertain Related Posts:The average weight of 25 persons sitting in a boat had some…The edges of three iron cubes are 6cm; 8cm; 10cm…In winter an iron pipe feel colder than a wooden window .…In Read More …
When water is added to anhydrous white copper sulphate, the color will change to :
A. YellowB. GreenC. BlueD. Red Related Posts:Which one of the following sets of color combinations is…In a drawer there are 4 white socks, 3 blue socks and 5 grey…The water in a rectangular reservoir having a base 80m by…Which theory Read More …
Atmosphere contains dust particles, salt grains, pollen grains, smoke, etc. which are collectively known as :
A. Water vapourB. OzoneC. AerosolsD. CFC Related Posts:When a ray of sunlight enters a dark room , its straight…A salt manufacturing company produced a total of 5000 tones…The process whereby the parties in a particular offence come…Which one is the Read More …
Supersonic Aircrafts discharge the following substance into the statosphere:
A. SO2B. CO2C. NO2D. CO Related Posts:The hardest substance is diamond – what’s the softest?The most densest substance on the Earth is __________.?A heap of stones can be made up into groups of 21. When made…Of the following who is Read More …