Calcium bicarbonate is a hard water salt. Its chemical
formula is
(a) CaC3
(b) Ca (HCO2)3
(c) Ca(HCO3)2
(d) CaO
Answer Posted / priya
( c ) Ca(HCO3)2
Is This Answer Correct ? | 90 Yes | 11 No |
Post New Answer View All Answers
I REQUIRES SANITATION EXAMS PEPER OF RRB . PLZ SEND ME AT MY EMAIL ID BGGOD84@YAHOO.CO.IN
hiii i am preparing for rrb mumbai section engineer exam .i have done B.E (C.S.E).KINDLY SEND PREVIOUS QUESTION papers to my mail at 01rupali.bagde1001@gmail.com
ashwani this side, i want rrb section enge & j.e exams previous 10 to 15 year question paper, tech & non tec section. ples any any one have question papers ples send.
please send me rrb chennai previous 3 years question paper for electrical engineer with syllabus
please tell me about Pass rule
Can i have model question papers of RRB(Section Er-Signals) kindly help me out.i want to take this exam seriously.
if i need a previous year rrb section engg electrical department qs? it is possible means pls send it through my email id er.saran89@rediffmail.com
Can anyone send me model question paper of RRB for the post of Enquiry Cum Reservation Clerk
sir/mam I'm student of M.C.A.Is there any special rrb exam for P.G students.if exists what is it.
Dear sir/Madam my question is, could you get me a sample paper of RRB aptitude test of last three year
Please send me signal section engineer written question papers
how to become m.r o?
Can any body mail me previous year question papers of RRB- civil engineering for post of sectional engineer
plz sir railway group d qstion paper oractice set
what is examing body