MCQ

CH13 - THE BEHAVIOR OF METALS

What is the balanced chemical equation for the reaction between calcium and water?

2013 Summer

1

MCQ

CH13 - THE BEHAVIOR OF METALS

A student carried out an experiment to find the order of reactivity of five metals.They were tested with cold water, hot water and steam and the resul...

2014 Summer

3

MCQ

CH13 - THE BEHAVIOR OF METALS

A metal has the following properties:• It does not react with cold water.• It reacts with dilute hydrochloric acid.• It cannot be extracted from...

2012 Summer

2

MCQ

CH13 - THE BEHAVIOR OF METALS

Which statement is correct for the element of proton number 19?

2011 Summer

2

MCQ

CH13 - THE BEHAVIOR OF METALS

A student added dilute hydrochloric acid to four metals and recorded the results. Not all of the results are correct. [Table_1] Which two results ar...

2010 Summer

2

MCQ

CH13 - THE BEHAVIOR OF METALS

Which statements about the general properties of metals are correct?1. conduct electricity when solid2. form acidic oxides3. high melting point

2012 Summer

3

MCQ

CH13 - THE BEHAVIOR OF METALS

A substance, X, has the following properties.1 It has a high melting point.2 It conducts electricity in the solid and liquid states.3 It is malleable....

2013 Summer

2

MCQ

CH13 - THE BEHAVIOR OF METALS

The table shows the results of adding three metals, P, Q and R, to dilute hydrochloric acid and to water.[Table_1]What is the order of reactivity of t...

2011 Summer

2

MCQ

CH13 - THE BEHAVIOR OF METALS

The table gives information about three different metals G, H and J.[Table_1]What is the order of reactivity of these metals?

2009 Summer

2

MCQ

CH13 - THE BEHAVIOR OF METALS

Which substance is a metal?[Table_1]

2011 Summer

2

MCQ

CH1 - STATES OF MATTER

The diagram shows the result of dropping a purple crystal into water. Which processes take place in this experiment?

2014 Summer

1

MCQ

CH2 - SEPARATING SUBSTANCES

The four pieces of apparatus shown below are used in chemical experiments. Which statement about the apparatus is correct?

2014 Summer

1

MCQ

CH2 - SEPARATING SUBSTANCES

Alcohol and water are completely miscible. This means when mixed together they form only one liquid layer. Which method is used to separate alcohol fr...

2014 Summer

1

MCQ

CH3 - ATOMS AND ELEMENTS

The diagram shows the structure of an atom of element X. What is X?

2014 Summer

1

MCQ

CH3 - ATOMS AND ELEMENTS

The diagrams show four particles.Which two diagrams show atoms that are isotopes of each other?

2014 Summer

1

MCQ

CH4 - ATOMS COMBINING

The 'lead' in a pencil is made of a mixture of graphite and clay. When the percentage of graphite is increased, the pencil slides across the paper mo...

2014 Summer

2

MCQ

CH4 - ATOMS COMBINING

Element X is in Group I of the Periodic Table. X reacts with element Y to form an ionic compound.Which equation shows the process that takes place whe...

2014 Summer

1

MCQ

CH4 - ATOMS COMBINING

Solid F is an element. Solid G is a compound. Neither solid conducts electricity but G conducts electricity when dissolved in water. These properties ...

2014 Summer

1

MCQ

CH5 - REACTING MASSES AND CHEMICAL EQUATIONS

A compound contains one atom of calcium, two atoms of hydrogen and two atoms of oxygen. What is the correct chemical formula of the compound?

2014 Summer

2

MCQ

CH5 - REACTING MASSES AND CHEMICAL EQUATIONS

In athletics, banned drugs such as nandrolone have been taken illegally to improve performance. Nandrolone has the molecular formula $C_{18}H_{26}O_2$...

2014 Summer

1