Related Questions

What is the valency of carbon?
A Pentavalent
B Divalent
C Trivalent
D Tetravalent
What is the valency of copper in cuprous oxide?
A 1
B 2
C 3
D 4
Eclampsia 'র জন্য যখন আমরা Magnesium sulphate injection দেই তখন আমাদেরকে নিচের কোন বিষয়টি অবশ্যই monitor করতে হবে?
A তাপমাত্রা
B Pulse
C ইউরিনের পরিমাণ
D Lymph node
Serum magnesium level is reduced in
A Severe diarrhea
B Chronic dialysis
C Acute renal disease
D Hyperthyroidism
E Idiopathic hypercalcaemia
Which of the following is not an ore of Magnesium?
A Cassiterite
B Dolomite
C Kieserite
D Carnallite
What is formed when Magnesium is burnt?
A Baking Soda
B Calcium Carbonate
C Ash
D Vinegar
Which compound is formed when a Magnesium ribbon is burnt in air?
A Magnesium Nitrate
B Magnesium Carbonate
C Magnesium Oxide
D Magnesium Nitride
The mineral containing both magnesium and calcium is
A magnesite
B calcite
C carnallite
D dolomite
In welding magnesium with TIG arc welding, direct current with ________ is used.
A Straight polarity
B Reversed polarity
C Both (A) and (B)
D None of these
Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of
A Calcium sulphate
B Sodium chloride
C Sodium sulphate
D Magnesium chloride

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