Timed Challenge - Answer & Submit | GK Mania

1 What is the Rosenmund reduction product?

A) Ester

B) Aldehyde from acyl chloride

C) Alcohol

D) Carboxylic acid

2 What is the total energy of an electron in nth Bohr orbit?

A) 13.6Z²/n²

B) −13.6Z²/n² eV

C) −13.6n²/Z²

D) 13.6/n

3 What is the name for a substance that speeds up a reaction without being consumed?

A) Reagent

B) Substrate

C) Solvent

D) Catalyst

4 What is an isotope?

A) Atoms of different elements

B) Atoms of the same element with

C) Molecules with the same formula

D) Ions with different charges

5 What is the value of sin(π/6)?

A) 1/2

B) √3/2

C) 1/√2

D) 1

6 What phenomenon splits white light?

A) Absorption

B) Dispersion

C) Reflection

D) Emission

7 What is the principle of superposition of waves?

A) Waves amplify always

B) Waves cancel always

C) Net displacement = sum of individual displacements

D) No interaction

8 What shape has exactly 5 sides?

A) Hexagon

B) Pentagon

C) Octagon

D) Heptagon

9 What is the condition for the line y = mx + c to be tangent to the ellipse?

A) c² = a²m² + b²

B) c = am + b

C) c = a²m²

D) c² = a² + b²m²

10 What is the shape of a methane molecule?

A) Trigonal planar

B) Linear

C) Octahedral

D) Tetrahedral

Quiz

1 What is the Rosenmund reduction product?

2 What is the total energy of an electron in nth Bohr orbit?

3 What is the name for a substance that speeds up a reaction without being consumed?

4 What is an isotope?

5 What is the value of sin(π/6)?

6 What phenomenon splits white light?

7 What is the principle of superposition of waves?

8 What shape has exactly 5 sides?

9 What is the condition for the line y = mx + c to be tangent to the ellipse?

10 What is the shape of a methane molecule?

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Quiz

1 What is the Rosenmund reduction product?

2 What is the total energy of an electron in nth Bohr orbit?

3 What is the name for a substance that speeds up a reaction without being consumed?

4 What is an isotope?

5 What is the value of sin(π/6)?

6 What phenomenon splits white light?

7 What is the principle of superposition of waves?

8 What shape has exactly 5 sides?

9 What is the condition for the line y = mx + c to be tangent to the ellipse?

10 What is the shape of a methane molecule?

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Quiz Results