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Aluminium oxide is not reduced by chemical reactions v
Answer: A. Aluminium oxide is highly stable Aluminium oxide is not reduced by chemical reaction because aluminium oxide is highly stable.
Answer: A. Aluminium oxide is highly stable
See lessAluminium oxide is not reduced by chemical reaction because aluminium oxide is highly stable.
The element that does not show catenation among the following p-block elements is:
Answer: D. Lead The element that does not show catenation among the following p-block elements is lead.
Answer: D. Lead
See lessThe element that does not show catenation among the following p-block elements is lead.
Borax is used as a cleansing agent because on dissolving in water, it gives:
Answer: A. Alkaline solution Borax is used as a cleansing agent because on dissolving in water, it gives alkaline solution.
Answer: A. Alkaline solution
See lessBorax is used as a cleansing agent because on dissolving in water, it gives alkaline solution.
The hybridisation of boron and oxygen atoms boric acid are respectively:
Answer: B. sp² and sp³ The hybridisation of carbon and oxygen atoms in boric acid are respectively.
Answer: B. sp² and sp³
See lessThe hybridisation of carbon and oxygen atoms in boric acid are respectively.
Percentage of lead in lead pencils is:
Answer: A. Zero Percentage of lead in lead pencils is zero.
Answer: A. Zero
See lessPercentage of lead in lead pencils is zero.
In graphite, electrons are:
Answer: D. Spread out between the structure In graphite, electrons are spread out between the structure.
Answer: D. Spread out between the structure
See lessIn graphite, electrons are spread out between the structure.
Carbon forms a large number of compounds because it has:
Answer: D. Property of catenation Carbon forms a large number of compounds because it has property.
Answer: D. Property of catenation
See lessCarbon forms a large number of compounds because it has property.
Thermodynamically, the most stable form of carbon is:
Answer: B. Graphite Thermodynamically, the most stable form of carbon is graphite.
Answer: B. Graphite
See lessThermodynamically, the most stable form of carbon is graphite.
The type of hybridisation of boron in diborane is
Answer: C. sp³ hybridisation The type of hybridisation of boron in diborane is sp³hybridisation
Answer: C. sp³ hybridisation
See lessThe type of hybridisation of boron in diborane is sp³hybridisation
Which of the following statements about boric acid is false?
Answer: D. It acts as a tribasic acid It acts as a tribasic acid these statement is false for boric acid.
Answer: D. It acts as a tribasic acid
See lessIt acts as a tribasic acid these statement is false for boric acid.