quiz14 sec3

quiz14 sec3

10th Grade

30 Qs

quiz-placeholder

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quiz14 sec3

quiz14 sec3

Assessment

Quiz

Chemistry

10th Grade

Hard

Created by

Marwan mamdouh

Used 1+ times

FREE Resource

30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

In the following equilibrium reaction: A(g) +B(g) ⇌ C(g) - heat

The amount of (B) can be increased by………………

heating

Cooling

Removing amount of C

B & c are correct

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

2. One of the following consumes reactants greatly for the following reaction:

2XY(g) + energy ⇌ X2(g) + Y2(g)

Decreasing pressure

Increasing pressure

Increasing temperature

Adding catalyst

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The reaction of dil. Hydrochloric acid with iron acid with iron filings is a complete reaction, because ……………

it occurs at a high temperature

it occurs under high pressure

The recombination of the produced hydrogen gas with iron(II) chloride is impossible

The reactants and products are in equilibrium state

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Among the properties of the catalyst is that it ………

increases the forward reaction rate only

increases the products concentration in equilibrium reactions

increases the reaction activation energy

is not changed at the end of the reaction

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The increase of pressure increases the rate of the reactions which are characterized by …….

Reaction included gaseous substances

The reaction is accompanied by a reduction in the volume of the produced gases

The reaction is reversible

all the previous answers are right

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

If pressure increased in gaseous equilibrium reaction, so reaction is going in direction of ….

Increasing no of moles

Decreasing volume

Increasing volume

Decreasing energy

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which of the following equations represents a catalyzed reaction?

A+B→D+B

A+B→C+D

A+A→D

A→B+C

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