C4 products

What does LPG means?

• Liquid petrol gas

• Liquefied petrol gas

• Liquefied petroleum gas

• Liquefied petroleum gasoline

The following are the name for this compound except _______________.

• iso-butane

• n-butane

• 2-methyl propane

• i-butane

Which of the following is the balanced chemical equation for the complete combustion of butane in oxygen?

• 2C₄H₁₀ + 13O₂ −> 8CO₂ + 10H₂O + Heat

• 2C₄H₁₀ + 8O₂ −> 6CO₂ + 8H₂O + Heat

• C₄H₁₀ + 6O₂ −> 4CO₂ + 5H₂O + Heat

• 2C₄H₁₀ + 13O₂ −> 8CO₂ + 9H₂O + Heat

Which of the following is the balanced chemical equation for the incomplete combustion of butane in oxygen?

• 2C₄H₁₀ + 9O₂ −> 8CO + 10H₂O + Heat

• 2C₄H₁₀ + 9O₂ −> 9CO + 10H₂O + Heat

• C₄H₁₀ + 4O₂ −> 4CO + 5H₂O + Heat

• 2C₄H₁₀ + 9O₂ −> 8CO + 9H₂O + Heat

The following are the steps used in the refrigeration step to liquefy petroleum gas except ____________.

• Expander plants

• Low temperature separation

• Combined process

• Liquid gas separation

Natural gas contains the following substances except ______________. (contains 2 answers)

• Tar

• Bitumen

• LPG

• Impurities (Water, hydrogen sulfide)

• Hydrocarbon

The following are the chemicals that can be used to remove water impurities from natural gas except ___________________.

• Diethylene glycol

• Triethylene glycol

• Tetraethylene glycol

• Silica

• Alumina

n-butene can be converted to butadiene using __________________.

• double fixed catalytic bed

• fixed catalytic bed

• double catalytic bed

• double catalytic fixed bed

What is the catalyst used to convert 2-butene to 1-butene

• Zinc ferrite catalyst

• bismuth molybdate catalyst

• iron-antimony oxide

• Zeolites

Uses of butadiene are ____________________. (contains 3 answers)

• Synthetic rubbers for automobile tires, shoes

• Sealants

• Fuel

• Propellants

• Making thermoplastic materials