Challenger App
Home
Exams
Questions
Quiz
Notes
Blog
Contact Us
e-Book
×
Home
Exams
▼
Questions
Quiz
Notes
Blog
Contact Us
e-Book
Home
/
Questions
/
General
/
Uncategorized
No.1 PSC Learning App
★
★
★
★
★
1M+ Downloads
Get App
Hardness of water is due to
A
Ca and Mg ions
B
Iron
C
Heavy metals
D
E-coli
Answer:
A. Ca and Mg ions
Related Questions:
The head loss due to sudden enlargement in a pipe is given by
The reduction in volume of saturated soil due to squeezing out of water from the soil
The least count of transit theodolite is
The study of static electricity
A line is placed in the first quadrant in such a way that the line is inclined to HP and parallel to VP. The elevation will be in