Carbogen is
Carbogen is
Options
(a) pure form of carbon (b) COCl₂ (c) mixture of CO and CO₂ (d) mixture of O₂ and CO₂
Correct Answer:
mixture of O₂ and CO₂
Explanation:
No explanation available. […]
Chemistry
Which statement is correct
Which statement is correct
Options
(a) silicon hybride catches fire on exposure to air (b) silicon halides are not easily hydrolysed by water (c) silicon is not a semi conductor (d) silicon does […]
By passing air over red hot coke the gas obtained is
By passing air over red hot coke the gas obtained is
Options
(a) coal gas (b) water gas (c) oil gas (d) producer gas
Correct Answer:
producer gas
Explanation:
No explanation available. Be […]
At room temperature the solid compound is
At room temperature the solid compound is
Options
(a) CO₂ (b) SiO₂ (c) NO₂ (d) SO₂
Correct Answer:
SiO₂
Explanation:
Silicon dioxide consists of continous lattice of silicon and oxygen connected by covalent […]
The banana bond in diborane is constituted by
The banana bond in diborane is constituted by
Options
(a) 3-atoms and 2-electrons (b) 2-atoms and 2-electrons (c) 3-atoms and 3-electrons (d) 2-atoms and 3-electrons
Correct Answer:
3-atoms and 2-electrons
Explanation:
No explanation […]
Higher percentage of carbon is found in
Higher percentage of carbon is found in
Options
(a) bituminous (b) peat (c) anthracite (d) lignite
Correct Answer:
anthracite
Explanation:
No explanation available. Be the first to write the explanation for this question […]
The hybridisation of B in BF₃ molecules is
The hybridisation of B in BF₃ molecules is
Options
(a) sp (b) sp² (c) sp³ (d) sp³d
Correct Answer:
sp²
Explanation:
No explanation available. Be the first to write the explanation for this […]
Mg burns in CO₂ to produce
Mg burns in CO₂ to produce
Options
(a) MgO (b) MgCO₃ (c) MgO+CO (d) MgO +C
Correct Answer:
MgO +C
Explanation:
No explanation available. Be the first to write the explanation for this […]
Which of the following glass is used in making wind screen of automobiles
Which of the following glass is used in making wind screen of automobiles
Options
(a) Jena (b) Pyrex (c) Safety (d) Crooke’s
Correct Answer:
Safety
Explanation:
No explanation available. Be the first to […]
Which does not exist
Which does not exist
Options
(a) [SiCl₂]²⁻ (b) [GeF₆]²⁻ (c) [CCl₆]²⁻ (d) [SnCl₆]²⁻
Correct Answer:
[CCl₆]²⁻
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting […]