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In a batch process, the reaction takes place in the presence of an acid medium. The acid is drained from the reaction vessel at the rate of 15ml/s as a result of the density difference of the acid from the reacting component. To avoid wastage of acid, it is recycled to an acid tank which has 1000 L capacity. The acid drained from the reaction vessel, picks up 50 g/L solids from the reactor. Acid is fed once again to the process from acid tank. When the process is started, the acid is almost pure in the tank as a result of filtration. As the reaction proceeds, acid in the tank gets more and more contaminated with the solids. The concentration of the solids should not exceed 100 g/L from the process point of view. The batch time is 16h. Estimate whether the concentration of the solids will exceed 100g/L during the batch reaction.
The line chart given below shows the birth rate (per thousand persons) and death rate (per thousand persons) of countries P, Q, R and S in the year 2018. Which of the following statement(s) is/are correct? I. Birth rate of country Q is 9.2 percent more than country R. II. Birth rate of country R is 11.76 percent more than the birthrate of country S. III. Birth rate of country Q is 32 percent more than the birth rate of country S.
The birth rate in India, Nepal, Sri Lanka, Bangladesh and Pakistan was calculated. The birth rate in Nepal is the lowest, while the birth rate in Pakistan ishigher than that in Sri Lanka, and lower than that in India. The birth rate in Bangladesh is higher than that in Nepal, and lower than that in Sri Lanka. Which country hasthe highest birth rate?
When is folic acid started in antenatal period to prevent congenital disorder in an infant?
Folic acid deficiency can be caused by
Megaloblastic anaemia is caused by folic acid deficiency.
Which of the following statement(s) is/are correct?
1. Folic acid deficiency results in certain types of anaemia, especially in infants and pregnant women.
2. Only animal food slike milk, meat and liver contain Vitamin B12.
Vitamins protect our bodies from diseases and illness. Select the incorrect statement(s) with respect to vitamins from the codes given below: A. Deficiency of vitamin A makes our bones weak.  B. Deficiency of iron causes paleness.  C. Deficiency of vitamin D causes swollen and bleeding gums.  D. The deficiency of vitamin B helps to increase our appetite. 
Consider the following statements: I. Anaemia is a disease which is caused by the deficiency of iron. II. Beri Beri is caused due to deficiency of Vitamin B1. III. Bleeding diseases is caused due to deficiency of Vitamin E. IV. The disease which leads to the abnormal enlargement of thyroid gland is goitre. Which of these is/are correct?
A laboratory teacher had 1.5 litres of concentrated sulfuric acid. She replaces concentrated sulfuric acid with water after every class till the carton is empty. One student needs 10 ml of sulfuric acid mixture in every class. First class had 20 students and since then all other classes observed 10 students. Calculate total quantity of water with which mixture of sulfuric acid and water is replaced till carton is empty. Note 1.5 litres of concentrated sulfuric acid had 90% sulfuric acid and rest water