The number of ionizable hydrogen Atoms present in one molecule of the acid is called...
Basicity
Acidity
2.Sodium hydroxide is manufactured by electrolysis of an aqueous solution of sodium chloride. This process is called
Electrolysis process
Chlor-Alkali process
Solvay process
3.Why Melting point and boiling point ionic compounds have high?
Due to transfer of electrons
Due to they are solid
Due to strong force of attraction.
4.Breaking of simple food in order to release energy inside the cell called.
Respiration
External respiration
Cellular respiration
5.which is not the properties of ionic compounds.
They are hard and strong
They do not conduct electricity
They have high melting point.
6.What is the ratio of aqua regia. Or Royal water.
2:1
3:1
3:2
7.Mention the site of exchange of material between the blood and surrounding cell.
Vein
Arteries
Capillaries
8.The salt which is used for making paper, dye and rayon industries.
Caustic soda
Bleaching powder
Baking powder
Gypsum
9.What is the electronic configuration of pottasium.
2,8,8,2
2,8,9
2,8,8,1
2,8,8
10.Match the column
Excretion
Deoxygenated blood
Translocation of food
Clotting of blood
Phloem
Vein
Platelets
Nephrons
Phloem
Vein
Platelets
Nephrons
11.which metal is the poorest conductor of heat.
Lead
Silver
Copper
Iron
12.when metals react with dil. Nitric acid do not produce hydrogen gas. Why
Nitric acid is reducing agent
Nitric acid is oxidising agent
Option 3
1 3.which of the following is used in fire extinguisher.
Sodium carbonate
Calcium carbonate
Sodium hydrogen carbonate
14.Aquous solution of sodium carbonate is
Acidic
Basic
Neutral
Amphoteroc
15.digestive juice which contains trypsin enzyme.
Intestinal juice
Gastric juice
Pancreatic juice
16.which of the following will turn blue litmus red?
Dry HCl
Aqueous HCl solution
Solution of HCl in benzene
All of these
The number of ionizable hydrogen Atoms present in one molecule of the acid is called...
Basicity
Acidity
2.Sodium hydroxide is manufactured by electrolysis of an aqueous solution of sodium chloride. This process is called
Electrolysis process
Chlor-Alkali process
Solvay process
3.Why Melting point and boiling point ionic compounds have high?
Due to transfer of electrons
Due to they are solid
Due to strong force of attraction.
4.Breaking of simple food in order to release energy inside the cell called.
Respiration
External respiration
Cellular respiration
5.which is not the properties of ionic compounds.
They are hard and strong
They do not conduct electricity
They have high melting point.
6.What is the ratio of aqua regia. Or Royal water.
2:1
3:1
3:2
7.Mention the site of exchange of material between the blood and surrounding cell.
Vein
Arteries
Capillaries
8.The salt which is used for making paper, dye and rayon industries.
Caustic soda
Bleaching powder
Baking powder
Gypsum
9.What is the electronic configuration of pottasium.
2,8,8,2
2,8,9
2,8,8,1
2,8,8
10.Match the column
Excretion
Deoxygenated blood
Translocation of food
Clotting of blood
Phloem
Vein
Platelets
Nephrons
Phloem
Vein
Platelets
Nephrons
11.which metal is the poorest conductor of heat.
Lead
Silver
Copper
Iron
12.when metals react with dil. Nitric acid do not produce hydrogen gas. Why
Nitric acid is reducing agent
Nitric acid is oxidising agent
Option 3
1 3.which of the following is used in fire extinguisher.
Sodium carbonate
Calcium carbonate
Sodium hydrogen carbonate
14.Aquous solution of sodium carbonate is
Acidic
Basic
Neutral
Amphoteroc
15.digestive juice which contains trypsin enzyme.
Intestinal juice
Gastric juice
Pancreatic juice
16.which of the following will turn blue litmus red?
Dry HCl
Aqueous HCl solution
Solution of HCl in benzene
All of these
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Answer:
2)Sodium hydroxide is manufactured by electrolysis of an aqueous solution of sodium chloride. This process is called
Electrolysis process
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