please give me school notes of acid bases and salt tommorow. is my paper urgent
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acid is a liquid which is sour in taste and base is either a liquid or solid substance qhich is bitter in taste and salts are formed when the acid and base is reacted
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heya!!
Here are the notes of ACID, BASES AND SALT !!
ACID: Taste of acid is sour. There are many substances that contain acid and so taste sour.
For example – lemon, curd, pickles, orange juice, vinegar, etc.
The chemical nature of such substance is known as ACIDIC.
The word acid comes from Latin ‘ACERE’ which means sour.
BASE: Taste of base is bitter. Substances that contain base taste bitter.
For example; soap or soap solution, baking soda, washing soda, etc.
The chemical nature of substances that contain base is known as BASIC.
INDICATOR: A substance which detects the acidic or basic nature of another substance by change in colour is called an indicator. acid-base indicators are used to check if a given substance is acid or base.
Indicators can be divided into two types.
Natural Indicator: Indicators that are obtained from naturally occurring substance are called NATURAL INDICATORS.
Example: litmus, turmeric, China rose, etc.
Synthetic Indicator: Indicators that are made in laboratory are called SYNTHETIC INDICATORS.
Example: phenolphthalein, methyl orange, etc.
Acid Rain: Carbon dioxide, sulphur dioxide and nitrogen dioxide which are released from vehicles and chimneys mix with droplets of rain and turn the rain water acidic.
When this acidic rain water falls over earth, it is known as acid rain. Acid rain damages the buildings and is harmful for plants and animals.
Characteristics of Acid:
Sour in taste.
Turns blue litmus paper red.
Turns the solution of China rose to dark pink colour (magenta).
Characteristics of BASE:
Bitter in taste.
Turns red litmus paper blue.
Turns solution of China rose to green.
Turns turmeric paper to red
Neutralisation:
Its a chemical process in which salt is formed when an acid and a base is added in equal amount. In this process the involvement of heat is also there.
ACID + BASE => Salt and water ( heat involved )
HCL + NaOH => Nacl + H2O
#hope it helps..!!
Here are the notes of ACID, BASES AND SALT !!
ACID: Taste of acid is sour. There are many substances that contain acid and so taste sour.
For example – lemon, curd, pickles, orange juice, vinegar, etc.
The chemical nature of such substance is known as ACIDIC.
The word acid comes from Latin ‘ACERE’ which means sour.
BASE: Taste of base is bitter. Substances that contain base taste bitter.
For example; soap or soap solution, baking soda, washing soda, etc.
The chemical nature of substances that contain base is known as BASIC.
INDICATOR: A substance which detects the acidic or basic nature of another substance by change in colour is called an indicator. acid-base indicators are used to check if a given substance is acid or base.
Indicators can be divided into two types.
Natural Indicator: Indicators that are obtained from naturally occurring substance are called NATURAL INDICATORS.
Example: litmus, turmeric, China rose, etc.
Synthetic Indicator: Indicators that are made in laboratory are called SYNTHETIC INDICATORS.
Example: phenolphthalein, methyl orange, etc.
Acid Rain: Carbon dioxide, sulphur dioxide and nitrogen dioxide which are released from vehicles and chimneys mix with droplets of rain and turn the rain water acidic.
When this acidic rain water falls over earth, it is known as acid rain. Acid rain damages the buildings and is harmful for plants and animals.
Characteristics of Acid:
Sour in taste.
Turns blue litmus paper red.
Turns the solution of China rose to dark pink colour (magenta).
Characteristics of BASE:
Bitter in taste.
Turns red litmus paper blue.
Turns solution of China rose to green.
Turns turmeric paper to red
Neutralisation:
Its a chemical process in which salt is formed when an acid and a base is added in equal amount. In this process the involvement of heat is also there.
ACID + BASE => Salt and water ( heat involved )
HCL + NaOH => Nacl + H2O
#hope it helps..!!
btw of which class you were asking? ^^"
class !0
I'm in 7th ^^"
okk
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