R.R. Mishra Solutions for Exercise 4: SUMMATIVE ASSESSMENT QUESTIONS (As per the Guidelines of the CBSE)

Write proper symbols for x and y in the following chemical equations:

$3{\mathrm{CH}}_4\left(\mathrm{x}\right)+4{\mathrm{O}}_3\left(\mathrm{g}\right)\to 3{\mathrm{CO}}_2\left(\mathrm{y}\right)+6{\mathrm{H}}_2\mathrm{O}\left(\mathrm{l}\right)$

Write proper symbols for x and y in the following chemical equations:

${\mathrm{AgNO}}_3\left(\mathrm{aq}\right)+\mathrm{NaCl}\left(\mathrm{aq}\right)\to \mathrm{AgCl}\left(x\right)+{\mathrm{NaNO}}_3\left(y\right)$

Write proper symbols for x and y in the following chemical equations:

Write proper symbols for x and y in the following chemical equations:

$2\mathrm{Mg}\left(\mathrm{s}\right)+2{\mathrm{O}}_2\left(\mathrm{x}\right)\to 2\mathrm{MgO}\left(\mathrm{y}\right)$

Define double displacement reaction and give one example of the following type of the reaction in which a black precipitate is formed.

Give one example of the following type of the reaction in which a gas is liberated.

Give one example of the type of reaction in which a white precipitated is formed.

Define double displacement reaction and give one example of each of the following types of this reaction in which two other solutions are formed.