Elements, compounds, substances, Metals and Non-Metals Mcq

Posted on Jun 9, 2022 10:12 PM - 2 years ago

Elements, compounds, substances, Metals and Non-Metals mcq questions and answers for competitive exams UPSC SSC , SSC CGL, SSC CHSL, upsc Civils , Entrance exams Online test practice online free Quiz, mock practice online

31.

The atomic number of sulphur is

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32.

Zinc replaces copper from

Copper oxide

Zinc sulphate

Sulphuric acid

Copper sulphate

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33.

Remaining solid on filter paper is known as

stone

residue

particles

solution

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34.

Which non metal is essential for our life and inhale during breathing?

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35.

Elements common in both man and brick wall is

all of these

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36.

Alloys are a form of

metal

mixture

compound

transition metals

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37.

Which one of the following does not react with acids?

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38.

Brass is an example of

An alloy

A mixture

An element

A compound

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39.

Letter used to identify an element in periodic table is known as

idea

hint

symbol

formula

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40.

is a metalloid.

Silicon

Copper

Sodium

Bromine

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41.

Which one of the following metal is used thermometers?

Iron

Copper

Mercury

Aluminium

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42.

The solution of ash of magnesium ribbon is

Basic

Acidic

Neutral

All of these

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43.

Smallest metal name in period table is Tin with a symbol of

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44.

Non-metals are dull in appearance, this is why they do not reflect

rays

heat

light

electricity

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45.

Which gas are produced when metal react with acids

Oxygen

Nitrogen

Hydrogen

Carbon dioxide

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Elements, compounds, substances, Metals and Non-Metals Mcq