Acetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of___________________?

Related Mcqs:

Pick out the wrong statement?

A. The toughness of a material decreases, when it is heated B. Crane hooks are normally made of wrought iron C. Cold working of a metal decreases its fatigue strength D. The temperature at which new grains are formed in a metal is known as the recrystallisation temperature...

Mixing vessel used for the chlorination of methane to produce methyl chloride is made of___________________?

A. Copper B. Cast iron C. Aluminium D. High carbon steel...

Lead pipes are not safe for carrying drinking water, because water, containing dissolved oxygen attacks lead thereby forming poisonous Pb(OH)2. Lead pipes are readily corroded by___________________?

A. Dilute HCl B. Acetic acid C. Concentrated H2SO4 D. None of these...

The damage/deterioration of metals by the ______________ action of fluids is called ‘erosion’?

A. Abrasive B. Corrosive C. Both A. & B. D. Neither A. nor B....

Centrifugal pump made of pyrex or glass can’t be used to pump___________________?

A. Milk and fruit juices B. Alkaline solutions C. Dilute H2SO4 at room temperature D. Brine...