Kerala Board Solutions for Chapter: Metals, Exercise 10: Let us assess

Author:Kerala Board

Kerala Board Science Solutions for Exercise - Kerala Board Solutions for Chapter: Metals, Exercise 10: Let us assess

Attempt the free practice questions on Chapter 7: Metals, Exercise 10: Let us assess with hints and solutions to strengthen your understanding. Science for Class 8 - Part 1 solutions are prepared by Experienced Embibe Experts.

Questions from Kerala Board Solutions for Chapter: Metals, Exercise 10: Let us assess with Hints & Solutions

MEDIUM
8th Kerala Board
IMPORTANT

Based on the physical properties of metals, indicate whether the following statement is true or false.

The ductility of tungsten is high.

HARD
8th Kerala Board
IMPORTANT

Which among the metals is stored in kerosene?

(a) Sodium (b) Iron (c) Tungsten (d) Chromium

Why is it stored in kerosene?

MEDIUM
8th Kerala Board
IMPORTANT

The names of some metals are given below.

Tungsten, Gold, Sodium, Copper, Iron, Magnesium

Answer the following question by selecting the appropriate one from the list.

Which metal with high malleability is used for making ornaments?

MEDIUM
8th Kerala Board
IMPORTANT

The names of some metals are given below.

Tungsten, Gold, Sodium, Copper, Iron, Magnesium

Answer the following question by selecting the appropriate one from the list.

Which of these metals reacts with cold water?

MEDIUM
8th Kerala Board
IMPORTANT

The names of some metals are given below.

Tungsten, Gold, Sodium, Copper, Iron, Magnesium

Answer the following question by selecting the appropriate one from the list.

Which of these is a hard metal but corrodes easily?

HARD
8th Kerala Board
IMPORTANT

Give reason for the following statement.

Tamarind is not stored in aluminium vessels.

MEDIUM
8th Kerala Board
IMPORTANT

Give reason for the following statement.

It is a common practice to apply oil on iron articles and tools.

HARD
8th Kerala Board
IMPORTANT

Give reason for the following statement.

Stainless steel knives, instead of iron knives, are preferred for cutting citrus fruits.