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The test for ammonia gas involves ……..

damp red litmus

Sulphuric acid Sodium Hydroxide

damp blue litmus

The test for ammonia gas involves ……..

Sulphuric acid Sodium Hydroxide

damp blue litmusdamp red litmus

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It is too unreactive

Why can’t most plant absorb Nitrogen directly from the air?

It is too reactive

It is too stable They do not want to

Why can’t most plant absorb Nitrogen directly from the air?

It is too unreactive It is too reactive

It is too stable They do not want to

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Nitrogen

Which of the following is not a raw material used in the Haber Process?

AirNatural gas

Steam

Which of the following is not a raw material used in the Haber Process?

Natural gas Air

Steam Nitrogen

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an acid

We can produce ammonia salts by reacting ammonia with ………..

an alkali

a salt a catalyst

We can produce ammonia salts by reacting ammonia with ………..

an acid

a salt

an alkali

a catalyst

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nitrates

Eutrophication occurs due to the leaching of ………..

sulphatesphosphates

potassium

Eutrophication occurs due to the leaching of ………..

phosphates sulphates

potassium nitrates

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three

How many ways are there for Nitrogen fixing to occur?

one two

four

How many ways are there for Nitrogen fixing to occur?

one two

three four

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Iron

The catalyst used in the Haber Process is ……….

AmmoniaVanadium oxide

Platinum and Rhodium

The catalyst used in the Haber Process is ……….

Vanadium oxide


Ammonia

Iron

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NO3

All nitrates have the symbol ……..

HNO3

NH3 Ni

All nitrates have the symbol ……..

NO3

NH3

HNO3

Ni

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200°C

The Haber process usually occurs at ……..

450 °C

650 °C 0 °C

The Haber process usually occurs at ……..

200°C 450 °C

650 °C 0 °C

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Phosphorous

Which element do plants need for the growth of roots and for ripening fruit?

Potassium

Nitrogen

Ammonia

Which element do plants need for the growth of roots and for ripening fruit?

Nitrogen

Ammonia

Phosphorous

Potassium

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Vanadium oxide

The catalyst needed for the production of Sulphuric Acid is ………


IronAmmonia

The catalyst needed for the production of Sulphuric Acid is ………

Ammonia

Vanadium oxide

Iron


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Sulphuric acid

Which of the following is not used in the testing for Nitric ions?

aluminium

Sodium Hydroxide

red litmus

Which of the following is not used in the testing for Nitric ions?

Sodium Hydroxide

red litmus

Sulphuric acid

aluminium

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200 atmospheres

The Haber Process usually occurs at a pressure of …………….

400 atmospheres100 atmospheres

1 atmosphere

The Haber Process usually occurs at a pressure of …………….

100 atmospheres

1 atmosphere

400 atmospheres

200 atmospheres

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The catalyst needed to produce Nitric Acid is ……..

Vanadium oxide

Iron Ammonia

The catalyst needed to produce Nitric Acid is ……..

Vanadium oxide

Iron


Ammonia

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A, B and C

Ms Sykes is ……………..

Very nice A wonderful person

A great teacher

Ms Sykes is ……………..

Very nice A wonderful person

A great teacher A, B and C

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