Calcium bicarbonate is a hard water salt. Its chemical formula is (a) CaC3 (b) Ca (HCO2)3 (c) Ca(HCO3)2 (d) CaO

4 Answers  

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Which of the following civilizations is the most ancient? (1) Inca (2) Egyptian (3) Indus-valley (4) Byzantine

1 Answers  

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is there any opening in RRB for biotechnology students please help me

0 Answers  

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do u want rrb previous questions with answers?

3 Answers   RRB,

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When was the World Trade Centre first attacked? (1) 26th February, 1993 (2) 11th September, 2001 (3) 7th August, 1998 (4) 13th November, 1998

4 Answers  

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Heat is produced by 1 ton A.C

3 Answers   RRB,

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Dear sir/Madam my question is, could you get me a sample paper of RRB aptitude test of last three year

0 Answers   RRB,

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(i)Who is the father of train engine concept. (ii)

6 Answers   RRB,

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where can we search the previous question papers for station master,ticket collector,goods gaurds...plz mention book name.

0 Answers   RRB,

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Odometer is used to measure -

4 Answers   RRB,

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i have appied for general section engineer post for bangalore RRB i don't no types of questions asked in exam plese send me previous year exam question with answers

0 Answers  

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`NELSON` is a term associated with cricket is made by-

1 Answers   RRB,

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