PRACTICE TEST 1-Class 10 - Science -Chemistry -Chapter 3

Class 10 -Metal and Non-Metal- Chemistry Mock Test.

This Test Consist of 20 Questions

Total Time - 20 -Minutes

1.

What is the formula of rust?

FeO

Fe2O3

Fe3O4

Fe(OH)2

2.

The electronic configuration of three elements X, Y and Z are as follows: X = 2, 4 Y = 2, 7 Z = 2,1 Which two elements will combine to form an ionic compound and write the correct formula,

ZY

XZ3

X2Y

Y2Z

3.

Soda Acid for extinguisher contains

4.

Mark the correct option:

a) Pure metal from the electrolyte is deposited at the anode.

b) The soluble impurities go into the solution.

c) Insoluble impurities are known as anode mud

B,c

A,b

A,c

All the statement is correct

5.

Polymer used in making floor tiles is

6.

Ordinary glass is a mixture of

7.

When hydrochloric acid is added to barium hydroxide, a white-coloured compound is formed. Which of the following option gives the complete chemical reaction?

HCl + Ba(OH)2 → BaCl2 + 2HOH

HCl + 2Ba(OH) → 2BaCl2 + 2HOH + O2

2HCl + Ba(OH)2 → BaH2 + 2HCl + O2

2HCl + Ba(OH)2 → BaCl2 + 2HOH

8.

Which of the following oxide(s) of iron would be obtained on prolonged reaction of iron with steam ?

9.

Match the following.

Property	Metal
a. Hardest metal	1.Silver
b. Reddish-brown metal	2.Mercury
c.Best conductor of electricity	3.Osmium
d.Liquid metal	4.Copper

a−3,b−4,c−1,d−2

a−4,b−2,c−3,d−4

a−4,b−3,c−2,d−1

a−2,b−1,c−4,d−3

10.

Alloys are homogeneous mixtures of a metal with a metal or non-metal. Which among the following alloys contain non-metal as one of its constituents ?

11.

Choose one metal and one non-metal in liquid state at room temperature.

Mercury, Bromine

Lead, Oxygen

Iron, Chlorine

Aluminum, Nitrogen

12.

The chemical reaction between a piece of copper and nitric acid is given by the chemical equations,

Cu + HNO3 Cu(NO3)2 + H2

H2 + HNO3 H2O + NO2

What can be inferred from the chemical equation?

Hydrogen gas gets oxidized by HNO3 to form water.

gas reacts with oxygen in the air to form water.

Copper causes the oxidation of HNO3 to form NO2.

Nitrate reacts with hydrogen to form NO2 and H2O.

13.

A student makes an electric circuit using an LED, a battery and connecting wires to test the conductivity of distilled water. The student notices that the LED does not glow. He replaces the distilled water with a salt solution and observes that the LED glows. How does the salt solution help the LED to glow?

Salt solution is covalent in nature and conducts electricity.

Salt solution has a high boiling point which allows the flow of current in the circuit without getting hot.

Salt solution contains ions which makes it conductive and allows the electricity to flow through it.

Salt solution has a low melting point which allows the current to flow through it.

14.

Aqua regia is a freshly prepared mixture of concentrated HNO3 and concentrated HCl in the ratio of:

3:1, respectively

2:3, respectively

3:2, respectively

1:3, respectively

15.

Which of the following pairs will give displacement reactions?

NaCl solution and copper metal

FeSO4 solution and silver metal

AgNO3 solution and copper metal

MgCl2 solution and aluminium metal

16.

Metals in the middle of the activity series are generally present as _______ in nature.

all of the above

oxides and chlorides

sulphides and carbonates

carbonates and halides

17.

Which of the following is the correct arrangement of the given metals in ascending order of their reactivity?

Zinc, Iron, Magnesium, Sodium

Sodium > Zinc > Magnesium > Iron

Zinc > Iron > Magnesium > Sodium

Sodium > Magnesium > Zinc > Iron

Sodium > Magnesium > Iron > Zinc

18.

In a solution of lead acetate, a strip of metal Z was dipped. After some time, lead from the solution was deposited at the metal strip. Which is more reactive?

Lead

None of the above

Both have equal reactivity

Z

19.

Electrolysis is used for oxides of highly reactive metals that are above:

Mercury

Antimony

Aluminum

iron

20.

A student studying the chemical properties of metals finds incomplete chemical reactions in his book, as shown below:

MgO + HNO₃ →

Which option completes the reaction?

MgO + HNO3 → Mg(NO3)2 + H2O

MgO + HNO3 → Mg3N2 + 4H2O

MgO + HNO3 → Mg + NO2 + O2

MgO + HNO3 → Mg(OH)2 + 2NO2

Chapter 1 - Chemical Reaction and Equation

chapter 2- Acids, Bases and Salt

Chapter 3 – Metals and Non-metals

Chapter 4 – Carbon and its Compounds

Assertion and Reason chemistry

CASE BASED QUESTIONS

Curriculum

Ncert-Class 10 Science - Chemistry