30501. Raw materials for 'Solvay Process' for manufacture of the soda ash are
30502. Chloral is used in the manufacture of
30503. Bromine is used in the preparation of
30504. Sudden temperature fluctuation does not affect pyrex glass, because of its
30505. The process used for the manufacture of ethyl alcohol from molasses is
30506. Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about __________ percent.
30507. Absorption of SO3 in 97% H2SO4 is
30508. __________ process is used for the commercial production of nitric acid by the catalytic oxidation of ammonia.
30509. Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the
30510. The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is
30511. A good quality coal should have
30512. Zeolite used in water softening process (cation exchange) is regenerated by washing with
30513. The catalyst used in shift converter is
30514. Which of the following is a detergent ?
30515. Drinking (potable) water treatment does not involve
30516. Phenol formaldehyde resin is used as an adhesive in making
30517. Which has jurisdiction over the whole of the state?
30518. DDT should not be allowed to come in contact with iron (during its manufacture) to
30519. Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively
30520. DDT stands for
30521. Phosphoric acid is prepared from
30522. Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used
30523. Which of the following processes does not produce Cl2 as a co-product during the manufacture of caustic soda ?
30524. Bleaching action of bleaching powder is due to its __________ properties.
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use
Powered By:Omega Web Solutions