Sec 4 Normal Science Chem TYS MCQ 2022 Set B
Quiz by HAO YI
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Students do an experiment that produces a soluble gas.
Which apparatus allows them to measure the volume of the gas most accurately?
The table shows the boiling points of some of the elements present in air.
Which elements are liquid at -200 oC?

Which reaction would produce a gas that pops with a burning splint?
The diagram show the arrangement of particles in three substances, X, Y and Z.
Which row describes X, Y and Z?

Which statement defines the nucleon (mass) number of an element?
The electronic structures of an atom of nitrogen, N, and an atom of hydrogen, H, are shown.
Which row describes what happens to the electrons in the outer shells and the type of bonding when atoms of N and H form a compound?

Which compound is used to treat acidity in soil?
The pH values of four aqueous solutions are shown.
If pairs of solutions are mixed, which pair must produce an acidic mixture?

An atom of element X has an electronic structure of 2,2.
Which element has chemical properties most similar to X?

Which row describes the trends in melting point and reactivity down Group 1?

The reactions of four metals, L, M, N and O, with water, steam or dilute hydrochloric acid are described.
L has no reaction with cold water or steam. It has a slow reaction with dilute hydrochloric acid.
M reacts vigorously with cold water.
N has no reaction with cold water. It has a slow reaction with steam and fast reaction with dilute hydrochloric acid.
O has a slow reaction with cold water, a fast reaction with steam and reacts vigorously with dilute hydrochloric acid.
What is the order of reactivity of L, M, N and O?

Four iron nails are each placed into a test-tube containing water.
Some of the nails are coated.
Which nail will rust first?
Which statement about the reactivity of iron is correct?
A student makes three statements about oxides.
1 Aluminium oxide is amphoteric.
2 Hydrogen oxide is acidic.
3 Iron(III) oxide is basic.
Which statements about the oxides are correct?

Propene reacts with bromine at room temperature.
What is the structure of the product?
The oxide of element Z is produced by volcanoes and causes the acidity in acid rain.
What is element Z?