Home
Class 12
CHEMISTRY
Finely divided catalyst has greater surf...

Finely divided catalyst has greater surface area and has greater catalytic activity than the compact solid. If a total surface area of `6291456 cm^(2)` is required for adsorption in a catalysed gaseous reaction, then how many splits should be made to a cube of exactly `1 cm` in length to achieve required surface area. (Given : One split of a cube gives eight cubes of same size)

A

`60`

B

`80`

C

`20`

D

`22`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • SURFACE CHEMISTRY

    RESONANCE ENGLISH|Exercise Exercise-1, Part-III|2 Videos

  • SURFACE CHEMISTRY

    RESONANCE ENGLISH|Exercise Exercise-2, Part-I|16 Videos

  • SURFACE CHEMISTRY

    RESONANCE ENGLISH|Exercise Section (F)|5 Videos

  • STRUCTURAL IDENTIFICATION

    RESONANCE ENGLISH|Exercise Advanced level Problems (Part-III)|12 Videos

  • TEST PAPERS

    RESONANCE ENGLISH|Exercise FST-3|30 Videos

Similar Questions

Explore conceptually related problems

Finely divided catalyst has greater surface area and has greater catalytic activity than the compact solid. If a total surface area of 6291456 cm^(2) is required for adsorption in a catalytic gaseous reaction, then how many splits should be made in a cube of exactly 1 cm in length to achieve required surface area? [Given : One split of a cube gives eight cubes of same size]

A cube of 2cm edge is cut off into 8 cubes of 1cm edge. What is teir total surface area?

The square on the diagonal of a cube has an area of 192 cm ^(2) Calculate : the total surface area of the cube.

The square on the diagonal of a cube has an area of 1875 sq. cm. Calculate: the total surface area of the cube.

Four identical cubes are joined end to end to form a cuboid .If the total surface area of the resulting cuboid is 648 cm^(2) .Find the length of edge of each cube.

Four identical cubes are joined end to end to form a cuboid. If the total surface area of the resulting cuboid is 648 cm^(2) , find the length of edge of each cube. Also, find the ratio between the surface area of the resulting cuboid and the surface area of a cube.

Four identical cubes are joined end to end to form a cuboid. If the total surface area of the resulting cuboid is 684cm^(2) , find the length of edge of each cube. Also, find the ratio between the surface area of the resulting cuboid and the surface area of a cube.

A cube of metal of 2.5 cm edge is melted and cast in to rectangular solid whose base is 1.25 cm by 0.25 cm .Assuming no loss in melting find the height of the solid . Also find the gain in the surface area.

The decorative block shown in Fig. 13.7 is made of two solids — a cube and a hemisphere. The base of the block is a cube with edge 5 cm, and the hemisphere fixed on the top has a diameter of 4.2 cm. Find the total surface area of the block.

A decorative block shown in Figure is made of two solids a cube and a hemisphere. The base of the block is a cube with edge 5 cm, and the hemisphere fixed on the top has a diameter 4.2 cm. Find the total surface area of the block (Take pi=22//7 ).