A powder salt (x) in a dry test tube was heated that evolves brown fumes of nitrogen dioxide
Which of the following reaction is characterised by the yellow colour of product
Which among the following statements is/are true?
Electrolysis of water is a decomposition reaction.
Complete the missing components/variables given as reactant and product in the following reactions
Which among the following statement(s) is/are true? Exposure of silver chloride to sunlight for a long duration turns grey due to
State reason for the following.
Assertion : The following chemical equation is an example of thermal decomposition reaction
Reason : Heat gets released in the dec..
What is the difference between skeletal equation and balanced chemical equation? Give example
What is a reduction reaction? Identify the substances that are oxidised and the substances that are reduced in the following react..
A dilute ferrous sulphate solution was gradually added to the beaker containing acidified permanganate solution.
Which of the following is a physical change?
Identify the oxidising agent in the following :
Solid Calcium oxide reacts vigorously with water to form calcium hydroxide accompanied by liberation of heat.
Complete the missing component/ variable given as X and Y in the following reaction.
A metal salt MX when exposed to light, split up to form metal M and a gas X2.
Study the reactions given below:
Which of the following chemical reactions will occur.
Which of the following are exothermic processes?
Identify the reducing agent in the following reaction.
What is redox reaction? identify the substance oxidised and the substance reduced in the following reactions
Write one equation each for decomposition reactions
Write the balanced chemical equations for the following reactions and identify the type of reaction in each case.
What is a balanced chemical equation?
Translate the following statements into chemical equations
A housewife wanted her house to be white washed. She bought 10kg of quicklime from the market and dissolved in 30 L of water.
Balance the following chemical equations
Which of the statements about the reaction below are incorrect?
What do you mean by a precipitation reaction?
In the refining of silver, the recovery of silver from nitrate solution
Why do we apply paint on iron articles?
Write the balanced chemical equations
Why are decomposition reactions called the opposite of combination reaction?
Explain the following terms with one example of each
Why is the amount of gas collected in one of the test tubes in
What happens when dilute hydrochloric acid is added to iron filings?
Write the balanced chemical equation for the following
Which kind of chemical reaction takes place when electric current is passed through fused lead bromide?
Give an example of a double displacement reaction
What does one mean by exothermic and endothermic reaction?
Write a balanced chemical equation with state symbols for the following reactions
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