The rate of chemical reaction

By increasing the temperature the chemical reaction...........

• increases

• decreases

• remain constant

Tags

NGSS.HS-PS1-5

The catalyst in the reaction

• increases

• decrease

• remain constant

From the factors that affect the speed of reaction

• concentration of reactants

• concentration of products

• concentration of the catalyst

Tags

NGSS.HS-PS1-5

the iron reacts fast with.........

• dil Hcl

• conc Hcl

• dil NaoH

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The reaction of dil Hcl is faster with..........

• piece of iron

• iron fillings

• piece of cupper

Tags

NGSS.HS-PS1-5

By increasing the temperature, The speed of chemical reaction..............

• increases

• decreases

• remain constant

Tags

NGSS.HS-PS1-5

in the thermal decomposition reactions, the reactants ........

• release heat

• need heat

• nothing

Tags

NGSS.HS-PS1-4

The increase in the amount of oxygen is called...................

• oxidation

• reduction

• decomposition

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

when the atom gain electrons, it .............

• oxidized

• reduced

• no change

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

when sodium replace hydrogen in water, this is a...................reaction

• thermal decomposition

• simple substitution

• oxidation and reduction