Earthquake waves travel faster in __________?

A. Water
B. Flexibl rock
C. Air
D. Soil

Which one of the following is not a true fruit?

A. Apple
B. Grapes
C. Dates
D. Plum

Which one of the following radiation has the longer wavelength?

A. Infra red
B. Visible
C. X-ray
D. Ultra violet

Hydrogen Gas can be prepared by thermal decomposition of Methane in the absence of Air at above____

A. 500⁰c
B. 700⁰c
C. 900⁰c
D. 1300⁰c

Which of the following method is used to separate Hydrogen gas from water Gas?

A. Bosch process
B. Cyber twinkling process
C. Palladium process
D. Steam process

Bosch Process involves _______?

A. Reduction
B. Oxidation
C. Isomerization
D. Crackling

In Bosch Process, that is used to separate the Hydrogen gas from water Gas, the catalyst is used ______?

A. Pt
B. Feo
C. Cr²o³
D. Both b&c

Water Gas is a mixture of two gases Hydrogen & Carbon monoxide, while separating Hydrogen gas by liquification process which one is liquefied first__?

A. Hydrogen gas
B. Carbon monoxide gas
C. Both at same time
D. None of them

The method in which more steam is passed through the water Gas to oxidize CO to Carbon Dioxide which is then more soluble in water than Hydrogen gas and gets separated is called______.

A. Liquification process
B. Bosch  process
C. Fragmentation
D. Thermal decomposition

During Electrolysis of Water the product @cathode obtained is ___________?

A. Hydrogen gas & water
B. Oxygen gas & water
C. Co & water
D. Hydrogen & carbon monoxide