Question
Complete the following table.
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Study the following chemical reaction and answer the questions given below:
$A g N O _{3(aq)}+NaCl_{(aq)} \longrightarrow \underset{\text { (Precipitate) }}{ A g C l _{(s} \downarrow} +NaNO_{3(nq)}$
i. Identify and write the type of chemical reaction.
ii. Write the definition of above type of chemical reaction.
iii. Write the names of reactants and products of above reaction.
→$A g N O _{3(aq)}+NaCl_{(aq)} \longrightarrow \underset{\text { (Precipitate) }}{ A g C l _{(s} \downarrow} +NaNO_{3(nq)}$
i. Identify and write the type of chemical reaction.
ii. Write the definition of above type of chemical reaction.
iii. Write the names of reactants and products of above reaction.
What do you mean by a precipitation reaction? Explain giving an example.
Complete the following table for convex lens:
→| Sr. No. | Position of the object | Position of the image | Nature of the image |
| (a) | Beyond $2 F_1$ | _____________ | _____________ |
| (b) | _____________ | At infinity | |
| (c) | _____________ | _____________ | Real, inverted and enlarged |
Explain why, methanol is much more dangerous to drink than ethanol.
Concave lens and Convex lens.
What is Debereiner’s law of triads? Explain with the help of one example of a Dobereiner’s triad.
State the principle on which the working of an electric generator is based.
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→| Reactants | products | Type of chemical reaction |
| BaCl_(2(aq))+ZnSO_(4(aq)) | H_(2)CO_(3(aq)) | Displacement |
| 2AgCl_((s)) | FeSO_(4(aq))+Cu_((s)) | Combination |
| CuSO_(4(aq))+Fe_((s)) | BaSO_(4)darr+ZnCl_(2(aq)) | Decomposition |
| H_(2)O_((1))+CO_(2(g)) | 2Ag_((s))+Cl_(2(g)) | Double displacement |
Write the answers to the questions by observing the following figure.
- Write the chemical reaction shown in the figure above in the form of a balanced equation.
- Write the name of the gas coming out of the large test tube in the above chemical reaction.
- Why do small bubbles appear in the small test tube?
- What is the change in colour of lime water?