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1. Permanent hardness of water may be removed by the addition of?
Answer: Sodium carbonate
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MCQ->What is correct about the following program? #include
class Addition { int x; public: Addition() { x = 0; } Addition(int xx) { x = xx; } Addition operator + (int xx = 0) { Addition objTemp; objTemp.x = x + xx; return(objTemp); } void Display(void) { cout<< x << endl; } }; int main() { Addition objA(15), objB; objB = objA + 5; objB.Display(); return 0; }...
MCQ->Permanent hardness of water may be removed by the addition of...
MCQ->Permanent hardness of water may be removed by addition of...
MCQ->A vessel contains 10 litres of milk.First,2 litres of the content are removed and replaced by 2 litres of water.Subsequently,4 litres of Vessel’s contents is removed and replaced by litres of water.Finally,6 litres of vessel’s contents is removed and replaced by 6 litres water.What is the quantity of milk left in the vessel?...
MCQ->What will be the output of the following program? #include<iostream.h> struct MyData { public: int Addition(int a, int b = 10) { return (a = b + 2); } float Addition(int a, float b); }; int main() { MyData data; cout<<data.Addition(1)<<" "; cout<<data.Addition(3, 4); return 0; }...
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