Who am I.

Questions

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7 questions · timed · auto-graded

Question 11 Mark

A natural detergent.

Answer

Soap nut

Question 21 Mark

A mixture of cement, water, sand and gravel.

Answer

Concrete

Question 31 Mark

A cement used for construction purpose.

Answer

Portland cement

Question 41 Mark

The latin word which means detergent.

Answer

Detergere

Question 51 Mark

An element which helps prevent tooth decay which is used in toothpastes.

Answer

Fluoride

Question 61 Mark

A chemical contained in soap nut and pod.

Answer

Saponin

Question 71 Mark

A substance which is spread on a given surface and used for cleaning.

Answer

Surfactant

Who am I. - Science STD 7 Questions - Vidyadip

Science Who am I.