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An aluminium wire...

An aluminium wire

A

non-electrolyte

B

strong electrolyte

C

weak electrolyte

D

metallic conductor

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Choose A,B,C or D match the descriptions (i) to (iv) alphabets may be repeated . (A) nonelectrolyte (B) strong elestrolyte (C ) weak electrolyte (D) metallic conductor (i) Molten ionic compound (ii) Carbon tetrachloride (iii) An aluminium wire (iv) A solution containing solvent molecules , solute molecules and ions formed by the dissociation of solute molecules . (v) A sugar solution with sugar molecules and water molecules .

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A weight of 110N is suspended from the cceiling by an aluminium wire of lenth 2m and radius 1 mm. Calculate (i) the extension produced and (ii) the elastic energy stored in the wire. [The Young's modulus of aluminium is 7 xx 10^(10) Nm^(-2)

A stone of mass 1.3 kg is being rotated in a horizontal plane as a conical pendulum with the help of a 140 cm long aluminium wire of cross - sectional area 1mm^(2) . The wire makes an angle theta=75^(@) with the vertical. What is the increment in the length (in mm) of the wire? ["Young's modulus of aluminium " Y_(Al)=7xx10^(10)"N m"^(-2), sin 75^(@)~~0.97, cos 75^(@)~~0.26, g=10ms^(-2)]

A steel wire of length 60 cm and area of cross section 10^(-6)m^(2) is joined with a n aluminium wire of length 45 cm and are of cross section 3xx10^(-6)m^(2) . The composite string is stretched by a tension of 80 N. Density of steel is 7800kgm^(-3) and that of aluminium is 2600kgm^(-3) the minimum frequency of tuning fork. Which can produce standing wave in it with node at joint is

A steel wire of length 50sqrt(3) cm is connected to an aluminium wire of length 60 cm and stretched between two fixed supports. The tension produced is 104 N , if the cross section area of each wire is 1mm^(2) . If a transverse wave is set up in the wire, find the lowest frequency for which standing waves with node at the joint are produced . (density of aluminimum = 2.6 gm//cm^(3) and density of steel = 7.8 gm//cm^(3) ).

A 5 m long aluminium wire (Y=7xx10^10(N)/(m^2)) of diameter 3 mm supprts a 40 kg mass. In order to have the same elongation in a copper wire (Y=12xx10^10(N)/(m^2)) of the same length under the same weight, the diameter should now, in mm

Figure shows an aluminium wire of length 60 cm joined to a steel wire of length 80 cm and stretched between two fixed supports. The tension produced is 40 N . The cross-sectional area of the steel wire is 1.0 mm^(2) and that of the aluminimum wire is 3.0 mm^(2) The minimum frequency of a tuning fork which can produce standing waves in the system with the joint as a node is 10P (in Hz ) the find P . Given density of aluminimum is 2.6 g//cm^(3) and that of steel is 7.8 g//cm^(3) .

The safe current in an insulated aluminium wire of 1mm^(2) cross section is 8 A. Find the average drift velocity of the conduction electrons. Assuming the Density of Al to be 2.7 g/cm^3

A rod of length 1.05 m having negliaible mass is supported at its ends by two wires of steel (wire A) and aluminium (wire B) of equal lengths as shown in fig. The cross-sectional area of wire A and B are 1 mm^(2) and 2 mm^(2) , respectively . At what point along the rod should a mass m be suspended in order to produce (a) equal stresses and (b) equal strains in both steel and aluminium wires. Given, Y_(steel) = 2 xx 10^(11) Nm^(-2) and Y-(alumi n i um) = 7.0 xx 10^(10)N^(-2)

ICSE-ELECTROLYSIS-QUESTIONS FROM PREVIOUS ICSE BOARD PAPERS
  1. Molten ionic compound

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  2. Carbon tetrachloride

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  3. An aluminium wire

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  4. A solution containing solvent molecules, solute molecules and ions for...

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  5. A sugar solution with sugar molecules and water molecules

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  6. During the electrolysis of molten lead bromide, which of the following...

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  7. During the electrolysis of molten lead bromide, which of the following...

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  8. During the electrolysis of molten lead bromide, which of the following...

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  9. During the electrolysis of molten lead bromide, which of the following...

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  10. Here is an electrode reaction Cu to Cu^(2+) + 2e^(-) At which e...

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  11. A solution contains magnesium ions (Mg^(2+)) ,iron (II) ions (Fe^(2+))...

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  12. Why is carbon tetrachloride, which is a liquid and non-electrolyte ?

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  13. A metal article is to be electroplated with silver. The electrolyte se...

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  14. A metal article is to be electroplated with silver. The electrolyte se...

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  15. A metal article is to be electroplated with silver. The electrolyte se...

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  16. A metal article is to be electroplated with silver. The electrolyte se...

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  17. A metal article is to be electroplated with silver. The electrolyte se...

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  18. Aqueous solution of Nickel sulphate contains Ni^(2+) and SO(4)^(2-) i...

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  19. Aqueous solution of Nickel sulphate contains Ni^(2+) and SO(4)^(2-) i...

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  20. Mr. Ramu wants to electroplate his key chain with nickel to prevent ru...

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