General Science Gk Objective Questions Series #53 Ques=(2601-2650)

General Science Gk Objective Questions Series #53 Ques=(2601-2650) Top 50 General Science Question and Answer on www.hindigk50k.com, General Science Gk  for SSC, BANKS, LIC,HSSC Exams like SSC CGL, SSC CHSL, BANK PO, BANK CLERK, LIC AO, haryana police, gram sachiv, clerk, general science questions for ssc canal patwari, HPSC etc. General Science General Knowledge general science pdf ebook  General Science General Knowledge Questions . Lets start learn.

General Science Gk Objective Questions Series #53 Ques=(2601-2650)

Question 3 : Which of the following is a non metal that remains liquid at room temperature?
1. Phosphorous
2. Bromine
3. Chlorine
4. Helium
Question 4 : The group of metals Fe, Co, Ni may best called as
1. transition metals
2. main group metals
3. alkali metals
4. rare metals
Question 5 : Balloons are filled with
1. nitrogen
2. helium
3. oxygen
4. argon
Question 9 : Kilowatt is a unit to measure
1. work
2. power
3. electricity
4. current
Question 10 : Which one of the following is the petroleum wax?
1. Paraffin wax
2. Jonoba wax
3. Carnauba wax
4. Bees wax
Question 11 : Which is/are the important raw material(s) required in cement industry?
1. Gypsum and Clay
2. Clay
3. Limestone and Clay
4. Limestone
Question 12 : Carbon, diamond and graphite are together called
1. allotropes
2. isomers
3. isomorphs
4. isotopes
Question 13 : The major ingredient of leather is
1. collagen
2. carbohydrate
3. polymer
4. nucleic acid
Question 14 : How does common salt help in separating soap from the solution after saponification?
1. By decreasing density of Soap
2. By decreasing solubility of Soap
3. By increasing density of Soap
4. By increasing solubility of Soap
Question 16 : The element common to all acids is
1. hydrogen
2. carbon
3. sulphur
4. oxygen
Question 17 : The variety of coal in which the deposit contains recognisable traces of the original plant material is
1. bitumen
2. anthracite
3. lignite
4. peat
Question 18 : The vast resources of unutilised natural gas can be used in the production of
1. graphite
2. Synthetic petroleum
3. fertilisers
4. carbide
Question 21 : The age of most ancient geological formations is estimated by
1. Ra – Si method
2. Potassium – argon method
3. C14 method
4. Uranium – lead method
Question 22 : Which of the following is in liquid form at room temperature?
1. Lithium
2. Sodium
3. Francium
4. Cerium
Question 26 : How many colours the sunlight spectrum has?
1. Three
2. Seven
3. Four
4. Five
Question 27 : Which among the following is a positively charged particle emitted by a radioactive element?
1. Beta ray
2. Alpha ray
3. Cathode ray
4. Gamma ray
Question 28 : Diamond is an allotropic form of
1. germanium
2. carbon
3. silicon
4. sulphur
Question 29 : Which of the following shows the masses of the three elementary particles in decreasing order?
1. Leptons[comma] Baryons[comma] Mesons
2. Mesons[comma] Baryons[comma] Leptons
3. Baryons[comma] Mesons[comma] Leptons
4. Leptons[comma] Mesons Baryons
Question 31 : One kilometre is equal to how many miles?
1. 0.84
2. 0.5
3. 1.6
4. 0.62
Question 32 : Which of the following is used in pencils?
1. Graphite
2. Silicon
3. Charcoal
4. Phosphorous
Question 33 : Which of the following metals remain in liquid for under normal conditions?
1. Radium
2. Zinc
3. Uranium
4. Mercury
Question 34 : Which type of fire extinguisher is used for petroleum fire?
1. Powder type
2. Liquid type
3. Soda acid type
4. Foam type
Question 36 : Deep blue colour is imparted to glass by the presence of
1. cupric oxide
2. nickel oxide
3. cobalt oxide
4. iron oxide
Question 37 : Which of the following metals forms an amalgam with other metals?
1. Tin
2. Mercury
3. Lead
4. Zinc
Question 40 : Chemical formula for water is
1. NaAlO2
2. H2O
3. Al2O3
4. CaSiO3
Question 43 : Which of the following is the lightest metal?
1. Mercury
2. Lithium
3. Lead
4. Silver
Question 45 : The hardest substance available on earth is
1. Gold
2. Iron
3. Diamond
4. Platinum
Question 46 : Which of the following is used for removing air bubbles from glass during its manufacture?
1. Arsenous oxide
2. Potassium carbonate
3. Soda ash
4. Feldspar
Question 48 : One fathom is equal to
1. 6 feet
2. 6 meters
3. 60 feet
4. 100 cm
Question 49 : Which of the following is used as a lubricant?
1. Graphite
2. Silica
3. Iron Oxide
4. Diamond
Question 50 : What is the unit for measuring the amplitude of a sound?
1. Decibel
2. Coulomb
3. Hum
4. Cycles

General Science Gk Objective Questions Series #53 Ques=(2601-2650) 

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