Questions

In laboratory burners , we use

Options

(a) producer gas (b) oil gas (c) gobar gas (d) coal gas

Correct Answer:

oil gas

Explanation:

No explanation available. Be the first to write the […]

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. […]

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

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

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

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

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 […]