1. Zeolite softening process removes both temporary and permanent hardness of water. In this process the calcium and magnesium present in water are precipitated as





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QA->Temporary hardness is caused in water due to the presence of?....
QA->The temporary hardness of water is due to the presence of :....
QA->Temporary hardness of water is due to the presence of which thing?....
QA->How can Permanent hardness of water be removed?....
QA->In a club 70% members read English news papers and 75% members read Malayalam news papers, while 20% do not read both papers. If 325 members read both the news papers, then the total numbers in the club is .........?....
MCQ->Zeolite softening process removes both temporary and permanent hardness of water. In this process the calcium and magnesium present in water are precipitated as....
MCQ->Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of....
MCQ->Zeolite used in zeolite softening process for the treatment of hard water gets exhausted after certain time of usage but can be regenerated by flushing it with....
MCQ->Zeolite softening process removes....
MCQ-> In the following passage some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.Rice and wheat ______ much carbohydrate
  which is quite ______ for energy. But more of rice and wheat and ______ of vegetables and fruit is not a balanced diet. Vegetables and fruit contain nutrients like vitamins, calcium, iron, phosphorus, folic acid, iodine, magnesium, zinc etc. Green leafy vegetables contain a lot of nutrients, especially calcium and iron. We ______ take one type of green leafy vegetable every day. Spinach is quite good for health. The cereals such as Bengal-gram, beans, black-gram, horse-gram, maize, millet, raga, red- gram etc., contain ______ protein which is essential for our ______. Iron and calcium contribute to healthy bones. Asafoetida ______ gas from the stomach. Cabbage, carrot and cluster-beans contain fibrous substance which gives a person ______ from constipation. Cucumber, horse radish, lady’s finger, potato, tomato, snake-gourd etc. should ______ a place in our food items often. ______ fruits are good for health. Many of us do not have the habit of eating fruits. This is very bad. Taking orange, apple, plantain, grapes etc. will keep us healthy.Rice and wheat ______ much carbohydrate
 ....
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