Chemistry
Grade-8
Easy
Question
Reduction is a process that involves
- Addition of oxygen
- Addition of hydrogen
- Removal of hydrogen
- Removal of the electropositive atom
Hint:
Addition of hydrogen
The correct answer is: Addition of hydrogen
Reduction is the process which involves addition of hydrogen.
Related Questions to study
Chemistry
The process in which hydrogen is removed from the substance is known as _____.
The process in which hydrogen is removed from the substance is known as _____.
ChemistryGrade-8
Chemistry
Which of the following application does not represent the uses of hydrogen?
Which of the following application does not represent the uses of hydrogen?
ChemistryGrade-8
Chemistry
The mixture of hydrogen and oxygen, when burnt together, gives a flame known as ________.
The mixture of hydrogen and oxygen, when burnt together, gives a flame known as ________.
ChemistryGrade-8
Chemistry
The substance that removes the oxygen or supplies hydrogen during the redox reaction is known as
The substance that removes the oxygen or supplies hydrogen during the redox reaction is known as
ChemistryGrade-8
Chemistry
The temperature at which the oxy-hydrogen flame can be formed is
The temperature at which the oxy-hydrogen flame can be formed is
ChemistryGrade-8
Chemistry
In the following chemical reaction, chlorine may be regarded as
?
In the following chemical reaction, chlorine may be regarded as
?
ChemistryGrade-8
Chemistry
Which of the following is not correctly matched?
Which of the following is not correctly matched?
ChemistryGrade-8
Chemistry
The process by which ammonia is industrially prepared by using hydrogen is known as
The process by which ammonia is industrially prepared by using hydrogen is known as
ChemistryGrade-8
Chemistry
Producer gas is the mixture of
Producer gas is the mixture of
ChemistryGrade-8
Chemistry
Indicate which of the following statements are true and which are false.
(a) Hydrogen acts as a good oxidising agent in many chemical reactions.
(b) The oxides of active metal do not get reduced by hydrogen.
(c) The reaction between hydrogen and nitrogen is reversible in nature.
Indicate which of the following statements are true and which are false.
(a) Hydrogen acts as a good oxidising agent in many chemical reactions.
(b) The oxides of active metal do not get reduced by hydrogen.
(c) The reaction between hydrogen and nitrogen is reversible in nature.
ChemistryGrade-8
Chemistry
The process in which hydrogen gas is passed through vegetable oils in the presence of catalysts like nickel or palladium is called as:
The process in which hydrogen gas is passed through vegetable oils in the presence of catalysts like nickel or palladium is called as:
ChemistryGrade-8
Chemistry
Hydrogen gas is___________ in water.
Hydrogen gas is___________ in water.
ChemistryGrade-8
Chemistry
Which of the following is not the property of hydrogen?
Which of the following is not the property of hydrogen?
ChemistryGrade-8
Chemistry
Pure hydrogen burns with air silently but the impure hydrogen gas burns in the air with ______.
Pure hydrogen burns with air silently but the impure hydrogen gas burns in the air with ______.
ChemistryGrade-8
Chemistry
What will be the product/s of the below chemical reaction?
What will be the product/s of the below chemical reaction?
ChemistryGrade-8
