Follow Our FB Page << >> for Daily Laughter. We Post Funny, Viral, Comedy Videos, Memes, Vines...

The metallic constituents of hard water are

1 Magnesium, calcium and tin

2 Iron, tin and calcium

3 Calcium, ,magnesium and iron

4 None of these

The metallic constituents of hard water are 1 Magnesium, calcium and tin 2 Iron, tin and calci..

Answer / guest

(3) Calcium, ,magnesium and iron

Is This Answer Correct ?    30 Yes 3 No

Post New Answer

More General Science Interview Questions

why ammonia cylinder getting icing outside of cylinder when it approx half or less than it...??

0 Answers  

Chemical formula for water glass is 1 Na2Sio3 2 Al2O3 3 NaA1O2 4 CaSiO3

3 Answers  

tea will coll most easily in a:

2 Answers  

The human skull rests on which bone? a)Manubrium b)Atlas c)Mandible d)Sternum

3 Answers  

Who developed primary blue print programme?

0 Answers  

A moderator is used in nuclear reactors in order to 1 Increase the number of neutrons 2 Decrease the number of neutrons 3 Slow down the speed of neutrons 4 Accelerate the neutrons

1 Answers  

Please can someone tell me, how many times during a 12 hour period, do the hands of a clock face opposite each other? I believe its 11. Also, would this be the same, no matter WHAT the starting time? i.e. if the 12 hour period started at 6 o clock, would it still be 11 times? Many thanks for your help.

0 Answers   Logica CMG,

The combustible material at the tip of a safety match sitck is 1 Sulphur 2 Manganese dioxide 3 Phosphorus 4 Antimony sulphide

2 Answers  

What is the colouring matter in plants called

2 Answers  

What is the life cycle ?

1 Answers  

the place where maximum sunlight is present in december . 1. chennai 2.koimbatur 3.banglore 4. kanyakumari

4 Answers  

Rubber is coagulated from latex by adding 1 Hydrochloric acid 2 Acetic acid 3 Sulphuric acid 4 Carbonic acid

1 Answers