Chemistry-
General
Easy

Question

Whichintheabovecurveiswronglypresented?

  1. C rightwards arrow C O subscript 2 end subscript    
  2. T i rightwards arrow T i O subscript 2 end subscript    
  3. P b rightwards arrow P b O    
  4. M g rightwards arrow M g O    

The correct answer is: T i rightwards arrow T i O subscript 2 end subscript

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Allmineralsarenottheorebutall oresareminerals.The extraction of a particular metal depends uponseveral factorsandoverallithastobeconvenientand economical.
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Allmineralsarenottheorebutall oresareminerals.The extraction of a particular metal depends uponseveral factorsandoverallithastobeconvenientand economical.
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Which of the following particles is most unstable?

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Extractionofaluminiumcanbeunderstoodby:

Electrolytic reduction of A l subscript 2 end subscript O subscript 3 end subscript
Electrolytic:( A l subscript 2 end subscript O subscript 3 end subscript +Cryolite+C a F subscript 2 end subscript)
Cathode: Carbon inside the Fe-container
Anode: Graphite rods
The molten electrolytes contain N a to the power of plus end exponent comma A l to the power of 3 plus end exponent, and C a to the power of 2 plus end exponent only Al gets deposited at cathode because:

Extractionofaluminiumcanbeunderstoodby:

Electrolytic reduction of A l subscript 2 end subscript O subscript 3 end subscript
Electrolytic:( A l subscript 2 end subscript O subscript 3 end subscript +Cryolite+C a F subscript 2 end subscript)
Cathode: Carbon inside the Fe-container
Anode: Graphite rods
The molten electrolytes contain N a to the power of plus end exponent comma A l to the power of 3 plus end exponent, and C a to the power of 2 plus end exponent only Al gets deposited at cathode because:

chemistry-General
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Extraction of aluminium can be understood by:

Electrolytic reduction of A l subscript 2 end subscript O subscript 3 end subscript
Electrolytic:( A l subscript 2 end subscript O subscript 3 end subscript +Cryolite+C a F subscript 2 end subscript)
Cathode: Carbon inside the Fe-container
Anode: Graphite rods
Thfunction of fluorspar(C a F subscript 2 end subscript)is:

Extraction of aluminium can be understood by:

Electrolytic reduction of A l subscript 2 end subscript O subscript 3 end subscript
Electrolytic:( A l subscript 2 end subscript O subscript 3 end subscript +Cryolite+C a F subscript 2 end subscript)
Cathode: Carbon inside the Fe-container
Anode: Graphite rods
Thfunction of fluorspar(C a F subscript 2 end subscript)is:

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In the following nuclear reaction blank subscript 13 end subscript A l to the power of 27 end exponent plus blank subscript 2 end subscript H e to the power of 4 end exponent rightwards arrow blank subscript 15 end subscript P to the power of 30 end exponent plus X, X will be

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When blank subscript 15 end subscript P to the power of 30 end exponent decays to become blank subscript 14 end subscript S i to the power of 30 end exponent, the particle released is

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The binding energies of a deutron and an alpha -particle are 1.125, 7.2 MeV/nucleon respectively. The more stable of the two, is

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Observe the following statements regarding isotones
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ii) Nuclides having different atomic numbers (z) and mass number (A) but same number of neutrons (n) are called Isotones
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i) blank to the power of 39 end exponent K subscript 19 end subscript and blank to the power of 40 end exponent C a subscript 20 end subscript are isotones
ii) Nuclides having different atomic numbers (z) and mass number (A) but same number of neutrons (n) are called Isotones
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A current carrying loop is placed in the nonuniform magnetic field whose variation in space is shown in figure. Direction of magnetic field is into the plane of paper. the magnetic force experienced by the loop is

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A current loop ABCD is fix on the plane of the paper as shown in the figure The arcs BC (radius = b) and DA (radius = a) of the loop are joined by two straight wires AB and CD A steady current I is flowing in the loop Angle made by AB and CD at the origin O is 30degree Another straight thin wire with steady current I1 , flowing out of the plane of the paper is kept at the origin.

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