Advertisements
Advertisements
Question
Fill in the blank:
The substances formed as a result of a chemical reaction are called _______
Solution
The substances formed as a result of a chemical reaction are called products .
APPEARS IN
RELATED QUESTIONS
Name three biochemical catalysts found in the human body.
Complete and balance the following chemical equations:
`"H"_2"S"` + `"CI"_2` `→`
Fill in the blanK
A .............is a substance which changes the rate of a chemical reaction without undergoing a chemical change.
Define catalyst.
FILL IN THE BLANK
In a double decomposition precipitation reaction both the reactants must be ............ soluble.
FILL IN THE BLANK
In a ............ change, new substances are formed.
TRUE \ FALSE
Ammonia is a good oxidizing agent.
Fill in the blank:
The substances which undergo chemical change are called _______
A solution of a substance ‘X’ is used for white washing Name the substance ‘X’ and write its formula.
Explain by writing a word equation.
Hard water gets softened on mixing with a solution of washing soda.
Explain by writing a word equation.
Bubbles are seen on adding lemon juice to baking soda.
Show with the help of diagram of electronic configuration how the following compound is formed from the constituent atoms.
Hydrogen chloride
Give an example of a reaction where the following are involved:
Close contact
Give an example of a reaction where the following are involved
Catalyst
State the type of reactions for the following represent and balance the ones that are not balanced.
Cl2 + 2KBr → 2KCl + Br2
Define:
Electrochemical reaction
Give one example
Give reason for the following:
A characteristic change of colour is seen when a piece of iron is added to copper [II] sulphate solution.
Give balanced equation for the following conversion affected by heat alone on the substance:
Ammonium dichromate to nitrogen
State the following reaction represent oxidation or reduction.
\[\ce{Cl- ->Cl}\]
Differentiate between the following:
Neutralization reaction and a precipitation reaction.
The chemical change is ______.
True or False. If false, give the correct answer.
Taking a glass of water and freezing it by placing it in the freezer is a chemical change.
Higher order Thinking question
Peeled and unpeeled banana does not look the same. Does that mean peeling banana is a chemical change?
Photosynthesis is a chemical reaction that takes place in the presence of ______.
Give an example of a chemical reaction for each of the following situations:
A change in colour is observed.
Explain how the painting of an iron gate prevents it from rusting.
______ is the chemical name of slaked lime.
______ is a chemical substance is used in whitewashing.
