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Complete and Balance the Following Chemical Equations: BaCi_2 + H_2so_4 → (Aq.) (Aq.) - Chemistry

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प्रश्न

Complete and balance the following chemical equations:

Ba`"CI"_2`   +  `"H"_2"SO"_4`   `→`

    (aq.)           (aq.)

एक पंक्ति में उत्तर
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उत्तर

\[\ce{\underset{\text{(aq.)}}{BaCl2} + \underset{\text{(aq.)}}{H2SO4} ->BaSO4 ↓ + 2HCl}\]

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अध्याय 6: Chemical Reactions - Exercise 1 [पृष्ठ ७३]

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सेलिना Concise Chemistry [English] Class 8 ICSE
अध्याय 6 Chemical Reactions
Exercise 1 | Q 6.8 | पृष्ठ ७३

संबंधित प्रश्न

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

Condensation of steam is not a chemical change.


The gas we use in the kitchen is called liquefied petroleum gas (LPG). In the cylinder, it exists as a liquid. When it comes out from the cylinder it becomes a gas (Change − A), then it burns (Change − B). The following statements pertain to these changes. Choose the correct one.


What are oxides ? 


MULTIPLE CHOICE QUESTIONS

Tick the most appropriate answer.

 Which one of the following alters the rate of the chemical reaction without itself undergoing any change?

  1. temperature and Pressure
  2. concentration of reactants
  3. presence of catalyst
  4. none of these

FILL IN THE BLANK

The new substances formed during a chemical reaction are called the ..................


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


Give an example of a reaction where the following are involved

Heat


Give a chemical test to distinguish between the following gases. 

SO2 and Cl2 


Give reason for the following:

Even though rusting is an exothermic reaction, the heat evolved when an iron nail rusts is unnoticeable.


On heating which of the following substances i.e. copper carbonate, zinc carbonate, washing soda, copper sulphate, zinc nitrate, copper nitrate, lead nitrate, ammonium chloride and ammonium dichromate – relate to the reaction given below.

A coloured substance which leaves on strong heating a black residue and evolves two colourless gases one of which is acidic and the other neutral.


Complete the table given below.

Heat on sodium chloride Colour imparted to flame during flame test  

State the following reaction represent oxidation or reduction.

\[\ce{Al->Al+++}\]


Can a nickel spatula be used to stir copper sulphate solution? Justify your answer.


Anaerobic bacteria digest animal waste and produce biogas (Change – A). The biogas is then burnt as fuel (Change – B). The following statements pertain to these changes. Choose the correct one.


Rusting of Iron: undesirable change:: Dead plants turn into manure: ______.


Arrange the following statements in correct sequence:

  1. One side is water-loving and other water-hating molecules.
  2. When you agitate the cloth, the dirt is surrounded by many molecules and taken away from the cloth.
  3. The dirt surrounded by the detergent molecules floats in the water making it dirty.
  4. Finally, the cloth is clean.
  5. The detergent molecules have two sides.
  6. Water hating goes and joins with dirt and oil in the cloth while the water-loving joins with the water molecules.

The chemical name of baking soda is sodium bicarbonate.


Which is used as a catalyst during the process of hydrogenation of oils?


Why is spoiling food a chemical change?


______ is the chemical name of rust.


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