A. Na2CO3
B. Na2CO3.H2O
C. Na2CO3.10H2O
D. NaHCO3
Correct Answer: Na2CO3 ✔
Last Updated: February 14, 2019
Related MCQs
- Free alkali in a toilet soap is __________ that in a laundry shop ?
- Plaster of Paris is __________?
- Blue vitriol is chemically__________?
- Sulphuric acid is mainly used in the __________ industry ?
- Which of the following is a detergent ?
- Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H2O = Fe3O4 + 4H2, is not practised, as it is __________?
- Silicon carbide is a/an__________?
- Le-Blanc process is a primitive process for the manufacture of__________?
- A bio-catalyst produced by living cells which acts independent of the cell is called a/an__________?
- Electro deposition of metals i.e. electroplating is never done on__________?
- Gypsum is chemically __________ ?
- Trinitro-toluene (TNT) is __________ ?
- Which of the following is used as a coagulant in treating turbid water ?
- Electric bulbs are made of __________ glass ?
- Hollander beater used during paper pulp manufacture does not facilitate the __________ of fiber?
- Massecuite is __________?
- An alkali metal salt of Palmitic acid is known as __________?
- Which of the following is a disaccharide ?
- Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate ?
- Potassium is kept & transported under __________ ?
- A substance produced by a living organism and capable of anti-microbial activity is called a/an < __________?
- Oils and fats are converted to soap in a process called __________?
- Bakelite is __________?
- Sea weeds are an important source of__________?
- Riboflavin is a/an__________?
- Lurgi coal gasifier is a pressurised __________ bed reactor ?
- A good quality coal should have __________?
- Coke oven gas consists mainly of __________?
- Soaps remove dirt by __________?
- Carbon content of pitch (residue of coal tar distillation) is around __________ percent?
- Yeast is used in the manufacture of __________?
- Most commonly used rubber vulcanising agent is__________?
- Systemic insecticides__________?
- Chemical name of Grignard reagent is__________?
- Phthalic anhydride is produced by the oxidation of __________?
- Percentage of uranium in Carnotite ore found in Jadugoda (Jharkhand) is about __________?
- Phenol formaldehyde resin is used as an adhesive in making__________?
- During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as__________?
- In industrial nomenclature, alcohol means__________?
- Gun powder uses__________?
- Triple superphosphate is manufactured by reacting __________?
- Average sulphur content in Indian pyrites is about __________ percent?
- Poly Tetrafluoroethylene (P.T.F.E.) is known as__________?
- Ultimate analysis of coal determines its __________ content?
- Presence of sodium tripolyphosphate (an additive) in synthetic detergent__________?
- The process used for the manufacture of ethyl alcohol from molasses is__________?
- Adipic acid is an intermediate in the manufacture of__________?
- Alcohol percentage in molasses may be around __________?
- Liquefaction of gases cannot be done by__________?
- Cumene is the starting material for the production of__________?
- Margarine is a/an__________?