Question
What causes the permanent hardness of
water?Solution
Permanent hardness of water is caused by the presence of soluble salts of chlorides and sulfates of calcium and magnesium. Unlike temporary hardness, which can be removed by boiling, permanent hardness remains unless treated with a chemical process.
A word has been given, followed by some words, one of which cannot be formed by using the letters of the word “ FRIGHTEN ”. Find that word?<...
Change the following into indirect speech
He said to Ramesh, “Lend me your physics book”.
In January 2022, who has been appointed as new chairman of Apparel Export Promotion Council?
Statement :
All hotels are rooms.
All rooms are flats.
All flats are buildings.
No building is apartments.
Conclusi...
Seven persons I, J, K, L, M, N and O are sitting in the straight horizontal line facing towards the north. I sits extreme end of the line. One person si...
? % of (√144) × 25 + 390 = 453
Select the most appropriate word to fill in the blank.
We respect you but we don’t agree ______ your ideas.
Which control does access use to link data access page components to access data?
(A) When you look at a product / (B) on one of it’s web pages, / (C) Amazon suggests other / (D) products you might like as well.
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