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

46.

Which one of the following is in crackers?

Metals

Non-Metals

Semi metals

All of these

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47.

Symbol of iron is

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48.

Which metal is found in plants?

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49.

Which one of the following is applied on wounds as an antiseptic?

Metals

Metalloids

Non metals

All of these

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50.

Symbol of carbon is

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51.

Property of objects in which you sight cannot see through object is known as

dull

mirror

opaque

none of them

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52.

Which gas produced by piece of burning charcoal?

CO2

H2S

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53.

Which of the following is used as a fuel in space rockets?

phenol

Liquid Hydrogen

Liquid Nitrogen

Refined Kerosene

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54.

Which material is hard in nature?

Iron

Coal

Wood

Oxygen

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55.

When sulphur dioxide is dissolve in water then

Sulphur is formed

Sulphuric acid is formed

Sulphur trioxide is formed

Sulphurous acid is formed

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56.

The sulphuric acid turns blue litmus paper into-

Red

Green

Yellow

Dark blue

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57.

Which of the following statements are correct?

All metals are ductile

Some metals are ductile

All non metals are ductile

Generally metals are ductile

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58.

Which one of the following is non metal?

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59.

Other than O and C, main elements of a brick wall includes

Silicon (Si)

Calcium (Ca)

Both (a) and (b)

Aluminum (Al)

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60.

Naturally occurring elements are

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