Prep 3

The reaction of oil with caustic soda is one of the ..........reactions

• Very fast

• Relative slow

• Very slow

Tags

NGSS.HS-PS1-5

The neutralization reaction occurs between.......

• Metal and non metal

• Copper and carbon

• Acid and salt

• Acid and alkali

Tags

NGSS.MS-PS1-5

Substitution reaction between salt solutions are accompanied by forming of ...........

• Metal

• A precipitate

• An oxide

• A non metal

The speed of most chemical reaction...........by raised the temperature

• Increase

• Decrease

• Don't change

Tags

NGSS.HS-PS1-5

The most active metal in the chemical activity series is ........

• Copper

• Sodium

• Hydrogen

• Aluminium

Air bag contains sodium ........

• Sulphate

• Azid

• Oxide

• Carbonate

Oxidation is a chemical process which increases .............precentage in substance

• Hydrogen

• Oxygen

• Helium

• Fluorine

At the end of the chemical reaction the concentration of the reactants is .......

• 0%

• 25%

• 50%

• 100%

Tags

NGSS.HS-PS1-5

The substance which change the rate of the reaction without being changed is known as........

• Oxidizing agent

• Active agent

• Catalyst

• Reducing agent

Tags

NGSS.HS-PS1-5

Sweet potato include oxidase enzyme which helps in the decomposition of............... faster

• Hydrogen peroxide

• Hydrogen chloride

• Sodium chloride

• Sodium carbonate