MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

Which element is not added to a fertiliser?

2009 Summer

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

Which element is not added to a fertiliser?

2009 Summer

Theory

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

This question is about some compounds of nitrogen.A mixture of ammonium sulfate and sodium hydroxide was warmed in a test-tube. The gas was tested wit...

2009 Summer

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

Fertilisers are used to provide three of the elements needed for plant growth. Which two compounds would give a fertiliser containing all three of the...

2009 Winter

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

Fertilisers are used to provide three of the elements needed for plant growth.Which two compounds would give a fertiliser containing all three of thes...

2009 Winter

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

To grow roses, a fertiliser containing nitrogen, phosphorus, and potassium is needed.For the best flowers, the fertiliser should contain a high propor...

2010 Summer

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

To grow roses, a fertiliser containing nitrogen, phosphorus and potassium is needed. For the best flowers, the fertiliser should contain a high propor...

2010 Summer

MCQ

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

To grow roses, a fertiliser containing nitrogen, phosphorus and potassium is needed. For the best flowers, the fertiliser should contain a high propo...

2010 Summer

Theory

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

This question is about hydrogen and some compounds containing hydrogen.(a) Hydrogen is a gas at room temperature.Describe the arrangement and motion o...

2010 Summer

Theory

CH16 - SOME NON-METALS AND THEIR COMPOUNDS

Ammonium sulfate is used in fertilisers.(a) State the names of the three elements found in most fertilisers.1. ..........................................

2010 Summer

MCQ

CH1 - STATES OF MATTER

The diagram shows how the molecules in the exhaust gases diffuse into the air. Which statement describes what happens to these molecules next?

2009 Summer

MCQ

CH2 - SEPARATING SUBSTANCES

A student takes 2 g samples of calcium carbonate and adds them to 20 cm^3 samples of dilute hydrochloric acid at different temperatures. She measures ...

2009 Summer

MCQ

CH2 - SEPARATING SUBSTANCES

The diagram shows the paper chromatograms of four substances, W, X, Y and Z.Which two substances are pure?

2009 Summer

MCQ

CH3 - ATOMS AND ELEMENTS

An element S has the proton number 18. The next element in the Periodic Table is an element T. Which statement is correct?

2009 Summer

MCQ

CH3 - ATOMS AND ELEMENTS

Which numbers are added together to give the nucleon number of an ion?

2009 Summer

MCQ

CH3 - ATOMS AND ELEMENTS

The electronic configuration of an ion is 2.8.8. What could this ion be?[Table showing options for $S^{2-}$ and $Ca^{2+}$]

2009 Summer

MCQ

CH4 - ATOMS COMBINING

The diagrams show the structures of two forms, P and Q, of a solid element. What are suitable uses of P and Q, based on their structures?

2009 Summer

MCQ

CH4 - ATOMS COMBINING

Element V forms an acidic, covalent oxide. Which row in the table shows how many electrons there could be in the outer shell of an atom of V? [Table_1...

2009 Summer

MCQ

CH4 - ATOMS COMBINING

When sodium chloride is formed from its elements, each chlorine atom ...... 1 ...... one ...... 2 .......Which words correctly complete gaps 1 and 2?

2009 Summer

MCQ

CH5 - REACTING MASSES AND CHEMICAL EQUATIONS

Nitrogen and hydrogen react together to form ammonia.$N_2 + 3H_2 \rightarrow 2NH_3$When completely converted, 7 tonnes of nitrogen gives 8.5 tonnes of...

2009 Summer