Polytechnic Entrance Exam Preparation Books pdf | what to study for polytechnic entrance exam , Polytechnic Entrance Exam 2022: Date, Exam Pattern |
Q=1 Voice of which of the following is likely to have mimimum frequency ?
- baby girl
- Baby boy
- A man
- A woman
Q=2 Which of the following isotope used in the treatment of blood canner ?
- I- 131
- P- 32
- Co – 60
- Any of these
Q=3 Sound can travel through ?
- Liquid only
- Solids only
- Gases only
- Solid , Liquid gases
Q= 4 Which metals reacts readily with cold water ?
- Gold
- Silver
- Magnesium
- Calcium
Q=5 The least number that is divisible by all the number from 1 to 10 ?
- 10
- 100
- 2520
- 2060
Q = 6 Which scientists gave the concept of fixed energy level around the nucleus ?
- Ernest rutherford
- Neil ‘s bohr
- JJ Thomson
- None of these
Q=7 Earthquake produces which kind of sound before the mainn shock wave begings ?
- Ultrasound
- Infrsound
- Audible sound
- None of the above
Q=8 The metal not corroded by air water and acid is ?
- Copper
- Gold
- Zinc
- Aluminium
Q=9 Pure H202 is
- liquid
- Semi – solid
- Solid
- Gas
Polytechnic Entrance Exam Preparation Books pdf
Q=10 The freezing point of heavy water is ?
- 0%C
- 3 .8 % C
- 4%C
- 1%c
Q = 11 H202 used in rocket has the concentration ?
- 50%
- 90%
- 70%
- 30%
Q = 12 What is the product of the reaction of H202 which C12 ?
- 02 + HCLI
- HCI +02
- H20 + HCI
- HCI + H2
Q= 13 Atomic hydrogen is called ?
- Protium
- Deutrium
- Nascent hydrogen
- Tritium
Q= 14 The volme strength of 1.5 NH202 solution is ?
- 4.8
- 5.2
- 8.8
- 8.4
Q= 15 Water gas is mixture of hydrogen H22 and ?
- Co
- Co2
- Ci2
- S02
Q = 16 Hydrogen has istopes
- 2
- 3
- 4
- 5
Q= 17 Water shows anomalous behaviour between ?
- 0to 4%c
- 0to 5%c
- 0to 4 % c
- 4 to 0 % c
Q = 18 Hydrogen is the most abundant element on earth after ?
- Oxygen
- Carbon
- Sulphur
- None of the above
Q= 19 Dehydration of ethanol gives ?
- Ethane
- Ethanoic acid
- Ethene
- Ether
Q=20 The ability of be drawn in to thin wires is called ?
- Malleability
- Ductility
- Conductivity
- Sonorus
Q= 21 Recrystallisation of sodium carbonate produces ?
- Banking soda
- Washing soda
- Bleaching powerd
- Gypsum
Q = 22 PH of Milk of magnesia is ?
- 10
- 11
- 11 . 5
- 10 .5
Q = 23 Bronze is an alloy of ?
- Cu & Zn
- Cu& Pb
- Cu & Sn
- Cu & Ti
Q = 24 Bleaching powder is represented as ?
- CaClo
- CaOCl
- Caocl2
- Ca20cI2
Q= 25 Sulphide ores converted in to oxides by ?
- Combination
- Reduction
- Calcination
- Roasting
Q = 26 The melting point of pure ethanoic acid is ?
- 300 k
- 298k
- 310k
- 290k
Polytechnic Entrance Exam Preparation Books pdf | what to study for polytechnic entrance exam
Q= 27 properties of elements are periodic function of their ?
- Atomic mass
- Atomic number
- Atomic size
- Atomic nature
Q= 28 Aqueous solution of sodium chloride is called ?
- Brine
- Milk of magnesia
- Washing soda
- Banking soda
Q= 29 Water gas is mixture of hydrogen H22 and ?
- Co Co2 Ci2S02
- Co2
- Ci2
- S02
Q=9 Pure H202 is
- liquid
- Semi – solid
- Solid
- Gas
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Polytechnic Entrance Exam Preparation Books pdf | what to study for polytechnic entrance exam