हिंदी
सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

Fill in the Blank: the Substances Formed as a Result of a Chemical Reaction Are Called _______ - Chemistry

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प्रश्न

Fill in the blank:
The substances formed as a result of a chemical reaction are called _______

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उत्तर

The substances formed as a result of a chemical reaction are called products .

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अध्याय 5: Language of Chemistry - Objective type questions

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सेलिना Concise Chemistry [English] Class 7 ICSE
अध्याय 5 Language of Chemistry
Objective type questions | Q 1.2

संबंधित प्रश्न

State whether the following statement is true or false. In case a statement is false, write the corrected statement.

Formation of manure from leaves is a physical change.


How do the following help in bringing about a chemical change?

light.


Complete and balance the following chemical equations:

Ba`"CI"_2`   +  `"H"_2"SO"_4`   `→`

    (aq.)           (aq.)


Write the missing reactants and products and balance the equations.

\[\ce{KClO3 ->[heat]}\] ___________+ ____________


What are biocatalysts ?


Fill in the blank:

In some chemical reactions an insoluble ________ is formed when two solutions are mixed.


Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.

(slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic, octet, duplet, exchange, sharing, equality sign)

The white particles of baking soda disappear when put in lemon juice. This means that it is a ______ change.


Show with the help of diagram of electronic configuration how the following compound is formed from the constituent atoms.

Hydrogen chloride


Complete and balance the following reaction:

Pb(NO3)2 + KI →


Name affects the acidified K2Cr2O7 paper and also turns lime water dirty milky.


Give a chemical test to distinguish between the following gases. 

HCl and Cl2


Give a chemical test to distinguish between the following gases. 

NH3 and HCl


Give a chemical test to distinguish between the following gases. 

SO2 and Cl2 


Give a chemical test to distinguish between the following gases. 

NH3 and SO2


Give a word equation for the following reaction.

An exothermic reaction where both the reactants are gases, one of which is oxygen.


Explain the Silver nitrate solution is kept in coloured reagent bottles in the laboratory.


Complete the statement by filling in the blank with the correct word:

The reddish-brown precipitate obtained during a double decomposition precipitation reaction between an iron salt and alkali is __________.


When lithium metal is placed in hydrochloric acid, _______ gas is evolved.


When magnesium is burnt in the air, a new substance is formed which is ______.


______ occurs in the absence of air and in the presence of micro-organisms such as yeast.


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