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

In which changes do the particles move further apart? $$\text{W} \rightleftharpoons \text{Y} \text{ (gas)}$$ $$\text{X} \rightleftharpoons \text{Z} ...

2016 Summer

MCQ

CH2 - SEPARATING SUBSTANCES

A sample of a dye is investigated by chromatography. A line is drawn across a piece of chromatography paper and a spot of the dye is placed on it.The ...

2016 Summer

MCQ

CH2 - SEPARATING SUBSTANCES

One of the instructions for an experiment reads as follows. Quickly add 50 $\text{cm}^3$ of acid. What is the best piece of apparatus to use?

2016 Summer

MCQ

CH4 - ATOMS COMBINING

Diamond and graphite are macromolecules.Which statement about diamond and graphite is not correct?

2016 Summer

MCQ

CH4 - ATOMS COMBINING

The table shows the electronic structure of four atoms.[Table_1]Which two atoms combine to form a covalent compound?

2016 Summer

MCQ

CH3 - ATOMS AND ELEMENTS

An aluminium atom has a nucleon number of 27 and a proton number of 13.How many neutrons does this aluminium atom contain?

2016 Summer

MCQ

CH4 - ATOMS COMBINING

What happens when a bond is formed between a green gaseous element and a soft metallic element?

2016 Summer

MCQ

CH6 - USING MOLES

The equation shows the reaction between magnesium and sulfuric acid. [A_r: H, 1; O, 16; Mg, 24; S, 32] $$ \text{Mg} + \text{H}_2\text{SO}_4 \rightarr...

2016 Summer

MCQ

CH1 - STATES OF MATTER

The diagram shows an electrical cable.Which statement about the substances used is correct?

2016 Summer

MCQ

CH1 - STATES OF MATTER

When substance X is electrolysed, the amount of gases P and Q formed is shown. What is substance X?

2016 Summer