Write Ture or False :-
1. Nitric acid is used in textile industry
2. Bases turns red litmus blue.
3. Acid neutralize bases.
4. Water is neutral to indicator.
5. Calcium hydroxide is also known as caustic soda.
_______________________________
Multiple Choice Questions :-
In the attachment
______________________________
Note :-
1. Quality Answers Needed.
2. Spammers will be reported.
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Tick (✓) only the correct choice amongst the following :
(Q1) Salt is formed when
(a) Metals react with Oxygen
(b) Metals react with water
(c) Metals react with Acid ✓
(d) None of these.
(Q2) HNO is a/an
(a) Salt
(b) Base
(c) Acid ✓
(d) Compound
(3) Alum is used for
(a) Removing chlorine with water
(b) Purificarion of Water.
(c) Killing germs present in water.
(d) All of these.✓
(4) Which of the following is not an indicator ?
(a) Digene ✓
(b) Litmus
(c) Phenolphthalein
(d) Methyl Orange
(5) NaOH is a/an
(a) Acid
(b) Salt
(c) Element
(d) Alkali ✓
(1) Nitric acid is used in textile industry.
Nitric acid is used to dye cloths in textile industry.
(2) Bases turns red litmus blue.
Red litmus paper turns bases blue under basic condition.
(3) Acid neutralize bases.
Acid neutralizes bases and forms salt and water as products.
(4) Water is neutral to indicator.
Water is a neutral substance.
(5) Calcium hydroxide is also known as caustic soda.
Calcium hydroxide is also known as Slaked lime.
Verified answer
Explanation:
Write Ture or False :-
1. Nitric acid is used in textile industry
2. Bases turns red litmus blue.
3. Acid neutralize bases.
4. Water is neutral to indicator.
5. Calcium hydroxide is also known as caustic soda.
_______________________________
Multiple Choice Questions :-
In the attachment
______________________________
Note :-
Write Ture or False :-
1. Nitric acid is used in textile industry
2. Bases turns red litmus blue.
3. Acid neutralize bases.
4. Water is neutral to indicator.
5. Calcium hydroxide is also known as caustic soda.
_______________________________
Multiple Choice Questions :-
In the attachment
______________________________
Note :-
1. Quality Answers Needed.
2. Spammers will be reported.
1. Quality Answers Needed.
2. Spammers will be reported.