Match the following : Oxide Nature (a) CO (i) Basic (b) BaO (ii) Neutral (c) Al 2 O 3 (iii) Acidic (d) Cl 2 O 7 (iv) Amphoteric Which of the following is correct option?

(a)-(ii); (b)-(i); (c)-(iv); (d)-(iii)

(a)-(iii); (b)-(iv); (c)-(i); (d)-(ii)

(a)-(iv); (b)-(iii); (c)-(ii); (d)-(i)

(a)-(i); (b)-(ii); (c)-(iii); (d)-(iv)

MEDIUM

Earn 100

What may happen when magnesium oxide is dissolved in water.

Important Questions on Materials: Metals and Non-Metals

EASY

Science>Chemistry>Materials: Metals and Non-Metals>Chemical Properties of Metals and Non-metals

Identify the correct statement from the following.

MEDIUM

Science>Chemistry>Materials: Metals and Non-Metals>Chemical Properties of Metals and Non-metals

Three elements

X, Y

and

Z

are in the

3^{rd}

period of the periodic table. The oxides of

X, Y

and

Z

, respectively, are basic, amphoteric and acidic. The correct order of the atomic numbers of

X, Y

and

Z

is:

EASY

Science>Chemistry>Materials: Metals and Non-Metals>Chemical Properties of Metals and Non-metals

Which among the following oxides is the most basic?

EASY

Science>Chemistry>Materials: Metals and Non-Metals>Chemical Properties of Metals and Non-metals

{Zn}_{(s)} + {CuSO}_{4 (aq)} \overset{}{\to} {ZnSO}_{4 (aq)} + {Cu}_{(s)}

. What type of chemical reaction is shown in the above equation?

EASY

Science>Chemistry>Materials: Metals and Non-Metals>Chemical Properties of Metals and Non-metals

Identify the element that forms amphoteric oxide:

MEDIUM

Science>Chemistry>Materials: Metals and Non-Metals>Chemical Properties of Metals and Non-metals

Write a chemical equation for the reaction taking place in the test tube. How does the colour of the solution change? What is the change in colour of iron nails?

Question Image

EASY

Science>Chemistry>Materials: Metals and Non-Metals>Chemical Properties of Metals and Non-metals

Match the following :

Oxide	Nature
(a) $CO$	(i) Basic
(b) $BaO$	(ii) Neutral
(c) ${Al}_{2} O_{3}$	(iii) Acidic
(d) ${Cl}_{2} O_{7}$	(iv) Amphoteric

Which of the following is correct option?

MEDIUM

Science>Chemistry>Materials: Metals and Non-Metals>Chemical Properties of Metals and Non-metals

The acidic, basic and amphoteric oxides, respectively, are

MEDIUM

Science>Chemistry>Materials: Metals and Non-Metals>Chemical Properties of Metals and Non-metals

In the following sets of reactants which two sets best exhibit the amphoteric character of Al₂O₃ . xH₂O ?

\begin{matrix} Set I & {Al}_{2} O_{3} \cdot {xH}_{2} O_{(s)} + {OH}_{(aq)}^{-} \\ Set II & {Al}_{2} O_{3} x \cdot H_{2} O_{(s)} + H_{2} O_{(l)} \\ Set III & {Al}_{2} O_{3} x \cdot H_{2} O_{(s)} + H_{(aq)}^{+} \\ Set IV & {Al}_{2} O_{3} \cdot {xH}_{2} O_{(s)} + {NH}_{3 (aq)} \end{matrix}

HARD

Science>Chemistry>Materials: Metals and Non-Metals>Chemical Properties of Metals and Non-metals

The option(s) with only amphoteric oxides is(are):

MEDIUM

Science>Chemistry>Materials: Metals and Non-Metals>Chemical Properties of Metals and Non-metals

An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. The element is likely to be-

MEDIUM

Science>Chemistry>Materials: Metals and Non-Metals>Chemical Properties of Metals and Non-metals

Which gas is usually liberated when an acid reacts with a metal? Illustrate with an example. How will you test for the presence of this gas?

HARD

Science>Chemistry>Materials: Metals and Non-Metals>Chemical Properties of Metals and Non-metals

Differentiate between metals and non-metals on the basis of their chemical properties.

MEDIUM

Science>Chemistry>Materials: Metals and Non-Metals>Chemical Properties of Metals and Non-metals

What is the nature of oxides formed,

(a) when metals combine with oxygen?

(b) when non-metals combine with oxygen?

MEDIUM

Science>Chemistry>Materials: Metals and Non-Metals>Chemical Properties of Metals and Non-metals

Write word equation for heated iron and steam.

HARD

Science>Chemistry>Materials: Metals and Non-Metals>Chemical Properties of Metals and Non-metals

Distinguish between metals and non-metals on the basis of their chemical properties.

EASY

Science>Chemistry>Materials: Metals and Non-Metals>Chemical Properties of Metals and Non-metals

What is your observation in the following case:

Burning of magnesium in air.

MEDIUM

Science>Chemistry>Materials: Metals and Non-Metals>Chemical Properties of Metals and Non-metals

Write the name of a metal which can react with steam.

MEDIUM

Science>Chemistry>Materials: Metals and Non-Metals>Chemical Properties of Metals and Non-metals

Phosphorus is kept in water. Why?

HARD

Science>Chemistry>Materials: Metals and Non-Metals>Chemical Properties of Metals and Non-metals

What happens when iron nails are put into copper sulphate solution?

What may happen when magnesium oxide is dissolved in water.

Important Questions on Materials: Metals and Non-Metals

Learn and Prepare for any exam you want !