Advertisements
Advertisements
Question
A white precipitate can be obtained by adding dilute sulphuric acid to:
(a) CuSO4 solution
(b) Nacl solution
(c) BaCl2 solution
(d) Na2SO4 solution
Solution
(c) BaCl2 solution
BaCl2 + H2SO4 → BaSO4 + 2HCl
White ppt.
APPEARS IN
RELATED QUESTIONS
With the help of an appropriate example, justify that some of the chemical reactions are determined by Change in colour
Give chemical equation for the reaction involved in the above case.
Write word equation for the following skeletal equation:
\[\ce{Zn + HCl -> ZnCl2 + H2}\]
Write symbolic representation for the following word equation and balance them :
Calcium oxide + Water → Calcium hydroxide
While performing the experiment with raisins to determine the percentage of water absorbed by them, a student made following measurements:
Mass of water in the beaker = 40 g
Mass of raisins before soaking = 5 g
Mass of raisins after soaking for 2 hours = 8 g
Mass of water left in the beaker after the experiment = 35 g
The percentage of water absorbed by raisins is:
In electrolysis of water, why is the volume of gas collected over one electrode double that of gas collected over the other electrode?
Choose the correct answer from the options given below.
The formula of sodium carbonate is Na2CO3 and that of calcium hydrogen carbonate is
Name the following:
Two non-metal which react explosively when brought in close contact.
Give an example of a chemical equation in which two reactants form:
four product
CaCO3 + 2HCl[dil.] → CaCl2 + H2O + CO2 [g]
State the information not conveyed by the above chemical equation.
Give the characteristic tests for the following gases :
- CO2
- SO2
- O2
- H2
