spm past year chemistry paper 1 (2010)

spm past year chemistry paper 1 (2010)

Assessment

Assessment

Created by

dickming yap

Chemistry

KG - Professional Development

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50 questions

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1.

MULTIPLE CHOICE

1 min • 1 pt

What is the meaning of isotopes?

2.

MULTIPLE CHOICE

1 min • 1 pt

The proton number of atom R is 14 and its relative atomic mass is 28. Which statement is correct?

3.

MULTIPLE CHOICE

1 min • 1 pt

What are the reactants in this equation?

Cu(OH)2 + 2HNO3 → Cu(NO3)2 + 2H2O

4.

MULTIPLE CHOICE

1 min • 1 pt

Element M and element L are located in Group 1 and Group 17 respectively. Element M react with element L to form a compund.

5.

MULTIPLE CHOICE

1 min • 1 pt

Element J and element Q have proton number of 12 and 9 respectively.

What is the relative formula mass(RAM) of a compound formed between J and Q?

(RAM: J=24; Q=19)

6.

MULTIPLE CHOICE

1 min • 1 pt

An oxide of element X has the empirical formula of X2O. 2.24 g of element X reacts completely with 0.96 g of oxygen. What is the relative atomic mass(RAM) of X?

(RAM: O=16)

7.

MULTIPLE CHOICE

1 min • 1 pt

Equation: 2H2O2 →> 2H2o + O2

What is the volume of O2 produced from the decomposition of 500cm3 of 2 mol dm-3 hydrogen peroxide at standard temperature and pressure(STP)?

(Molar volume of gas at STP = 22.4 dm-3 mol-1 )

8.

MULTIPLE CHOICE

1 min • 1 pt

Metal X has the following properties.

-Less reactive than iron

-Does not react with iron(II) oxide

Which metal oxide can react with X?

9.

MULTIPLE CHOICE

1 min • 1 pt

Which statement explains why the reactivity of Group 1 elements when going down the group?

10.

MULTIPLE CHOICE

1 min • 1 pt

Some transition elements and their compounds are useful catalysts in industry. Which pair is correct?

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