Science and Tech SA2 Portions

Science and Tech SA2 Portions

11th Grade

40 Qs

quiz-placeholder

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Science and Tech SA2 Portions

Science and Tech SA2 Portions

Assessment

Quiz

Science

11th Grade

Hard

Created by

Snehalatha H.S

FREE Resource

40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The SI unit of length is:

Centimeter

Meter

Kilometer

Millimeter

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A scientist measures the time taken by a pendulum to complete one oscillation. The most suitable instrument for this is:

Thermometer

Vernier Calipers

Stopwatch

Measuring Tape

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The accuracy of a measurement depends on:

The least count of the instrument

The observer’s skill

The size of the object

The environment

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When iron reacts with copper sulfate solution, the color of the solution changes due to:

Formation of rust

Formation of iron sulfate

Liberation of hydrogen gas

Evaporation of water

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A balanced chemical equation obeys:

The law of definite proportions

The law of conservation of mass

The law of multiple proportions

The ideal gas law

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The process of passing electricity through water to produce hydrogen and oxygen gas is called:

Electrolysis

Sublimation

Neutralization

Oxidation

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The fundamental particle that does not carry any charge is:

Proton

Neutron

Electron

Positron

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