Questions & Answers - Ask Your Doubts
Ask your doubts to Learn New things everyday
Filters
Latest Questions
Chemistry
Displacement reaction
How do we dilute concentrated hydrochloric acid to give $10%~~~HCl$ ?
Chemistry
Displacement reaction
Ethylamine reacts with nitrous acid to form:
A. methyl alcohol
B. ethyl alcohol
C. ethane
D. ethyl nitrite

Chemistry
Displacement reaction
What happens when dilute hydrochloric acid is added to iron filings?
(A) Hydrogen gas and iron chloride are produced
(B) Chlorine gas and iron hydroxide are produced
(C) No reaction takes place
(D) Iron salt and water are produced
Chemistry
Displacement reaction
When a zinc rod is directly placed in copper sulphate solution?
(A) The blue colored of the solution starts intensifying
(B) The blue coloured remains electrically neutral
(C) The temperature of the solution falls
(D)The weight of zinc rod starts increasing

Chemistry
Displacement reaction
\[\mathbf{Pb}\left( \mathbf{S} \right)\text{ }+\text{ }\mathbf{CuSO4}\left( \mathbf{Aq} \right)\text{ }\to \text{ }\mathbf{PbSO4}\left( \mathbf{Aq} \right)\text{ }+\text{ }\mathbf{Cu}\left( \mathbf{S} \right)\]. The reaction is an example of ______ reaction.

Chemistry
Displacement reaction
What happens in a single displacement reaction ?
Chemistry
Displacement reaction
What is an example of single displacement reaction?
A) \[2{H_2}{O_2} \to 2{H_2}O + {O_2}\]
B) \[N{a_2}S{O_4} + BaC{l_2} \to BaS{O_4} + 2NaCl\]
C) \[Zn{\text{ }} + {\text{ }}2HCl \to ZnC{l_2} + {H_2}\]
D) \[2{H_2} + {O_2} \to 2{H_2}O\]
Chemistry
Displacement reaction
Which of the following is a displacement reaction?
A.$S+{{O}_{2}}\to S{{O}_{2}}$
B.$KCl{{O}_{3}}\to KCl+{{O}_{2}}$
C.$Ca+{{H}_{2}}O\to Ca{{(OH)}_{2}}+{{H}_{2}}$
D.${{F}_{2}}+O{{H}^{-}}\to {{F}^{-}}+O{{F}_{2}}+{{H}_{2}}O$
Chemistry
Displacement reaction
How do you classify the reaction: $ Zn + AgN{O_3} $ into $ Ag + Zn{(N{O_3})_2} $ ?

Chemistry
Displacement reaction
The reaction is an example of:
$Zn + 2HCl \to ZnC{l_2} + {H_2} \uparrow $
A. Combination reaction
B. Double displacement reaction
C. Displacement reaction
D. Decomposition reaction

Chemistry
Displacement reaction
Ferrous sulphate on heating produces:
A) Ferric oxide
B) Sulphur dioxide
C) Oxygen
D) Water
Chemistry
Displacement reaction
What type of chemical reaction is shown in the equation?
\[Zn(s) + CuS{O_4}(aq) \to ZnS{O_4}(aq) + Cu(s)\]
A. Combination reaction
B. Dissociation reaction
C. Displacement reaction
D. Double displacement reaction

Prev
1
2
3
4
Next