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In the manufacture of H2SO4, vanadium catalyst as compared to platinum catalyst

In the manufacture of H2SO4, vanadium catalyst as compared to platinum catalyst Correct Answer All of the above

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In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst
In this question, three statements are given followed by four conclusions. Choose the Conclusion(s) which best fit(s) logically. Statements : 1) All gold are platinum. 2) Some platinum are silver. 3) All silver are diamonds. Conclusions : I. Some diamonds are platinum. II. Some diamonds are gold. III. Some silver are gold. IV. Some platinum are diamonds.
The owner of PC Jewellers has a brick of 38 pt. platinum and 19 pt. platinum. He wanted to obtain a brick of 30 pt. platinum, weighing 190 grams by melting these 2 bricks. Find how much of each must be melted to obtain the required bar? (Given: pure platinum is 95 pt.)
A cinema house has 600 people. \(26\frac{2}{3}{\rm{\% }}\) People buy premium tickets and \(33\frac{1}{3}{\rm{\% }}\) People buy gold tickets and 40% of people buy platinum tickets. Only 5% of people buy both platinum and gold tickets and 10% of people buy both premium and platinum tickets and \(6\frac{2}{3}{\rm{\% }}\) of people buy both premium and gold tickets and 30 people buy all three types of tickets. Find the number of people who buy only one type of ticket.
Severe corrosion of metals occurred when coupled with platinum is due to the higher current density for hydrogen evolution but not due to the reversible potential of the platinum-platinum ion electrode.
The ratio platinum to silver in a bracelet is 5 : 7. If the price of platinum is 1/10th the price of silver, find the cost of the bracelet if the cost of platinum in the bracelet is 24000 rupees.
If the sulfur contains Arsenic which attacks the Vanadium or Platinum catalyst during contact process. Using which of the following can the Arsenic be removed.
Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N₂ & H₂ is high. The presence of promoter along with the catalyst helps in __________ of the catalyst.
Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N2 & H2 is high. The presence of promoter along with the catalyst helps in __________ of the catalyst.
Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like