Chemistry in Everyday life Flash Cards

Unit 3 > Science > Class 6 > Samacheer Kalvi - English Medium

22 cards in this set.

Mode

Soaps were originally made from ___________ .

b. animal fats and vegetable oils

The saponification of a fat or oil is done using _______________ solution for hot process.

b. Sodium hydroxide

Gypsum is added to the cement for ______________________.

b. delayed setting

Phenol is ________________.

a. carbolic acid

Natural adhesives are made from ___________.

c. starch

______________ gas causes tears in our eyes while cutting onions.

Propanethial-s-oxide

Water, coconut oil and __________ are necessary for soap preparation.

animal fat

____________ is called as farmers best friend.

Earthworm

___________ fertilizer is ecofriendly.

Organic

_____________ is an example for natural adhesive.

Starch dissolved in water

Concentrated phenol is used as a disinfectant.

False

Gypsum is largely used in medical industries.

False

Plaster of Paris is obtained from heating gypsum.

True

Adhesives are the substances used to separate the components.

False

NPK are the primary nutrients for plants.

True

Soap

NaOH

Cement

RCC

Fertilizers

NPK

Gypsum

CaSO4.2H2O

Phenol

C6H5 OH

Urea : Inorganic fertilizer: Vermi compost: ____________.

Organic fertilizer

_____________: Natural adhesives: Cello tape: Artificial adhesives.

Starch dissolved in water

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Chemistry in Everyday life Flash Cards

Unit 3 > Science > Class 6 > Samacheer Kalvi - English Medium

22 cards in this set.

Mode Memorize Learn

Soaps were originally made from ___________ .

b. animal fats and vegetable oils

The saponification of a fat or oil is done using _______________ solution for hot process.

b. Sodium hydroxide

Gypsum is added to the cement for ______________________.

b. delayed setting

Phenol is ________________.

a. carbolic acid

Natural adhesives are made from ___________.

c. starch

______________ gas causes tears in our eyes while cutting onions.

Propanethial-s-oxide

Water, coconut oil and __________ are necessary for soap preparation.

animal fat

____________ is called as farmers best friend.

Earthworm

___________ fertilizer is ecofriendly.

Organic

_____________ is an example for natural adhesive.

Starch dissolved in water

Concentrated phenol is used as a disinfectant.

False

Gypsum is largely used in medical industries.

False

Plaster of Paris is obtained from heating gypsum.

True

Adhesives are the substances used to separate the components.

False

NPK are the primary nutrients for plants.

True

Soap

NaOH

Cement

RCC

Fertilizers

NPK

Gypsum

CaSO4.2H2O

Phenol

C6H5 OH

Urea : Inorganic fertilizer: Vermi compost: ____________.

Organic fertilizer

_____________: Natural adhesives: Cello tape: Artificial adhesives.

Starch dissolved in water

Mode