WBCS Online Portal for Self Studies - Chase the Knowledge by Yourself Acid, Base & Salt Subscribe Notify of new follow-up discussions new replies to my discussions {} [+] Name* Email* WEBSITE (IF ANY) {} [+] Name* Email* WEBSITE (IF ANY) 82 Comments newest oldest most voted Inline Feedbacks View all comments Santanu Roy 2 years ago Baking powder is (a) a mixture (b) a compound (c) an element (d) a salt Amartya maity Reply to Santanu Roy 2 years ago A mixture Santanu Roy 2 years ago Acids and bases are important because of (a) their use in industry (b) their effects on human health (c) their effect on farmer’s crop (d) all the above are correct. Amartya maity Reply to Santanu Roy 2 years ago All the above Santanu Roy 2 years ago Select the one that is having pH < 7. (a) lime juice (b) lime water (c) human blood (d) antacid ANANYA SARKAR Reply to Santanu Roy 2 years ago ) lime juice (b) lime water 2toi to acidic Santanu Roy Reply to ANANYA SARKAR 2 years ago (a) Lime juice hbe… lime water ph 12.4 er ase pase.. kichu reference pele diye dio ANANYA SARKAR 2 years ago Sharp flavour of Coca Cola or any other soft drink is because of the presence of- Hydrochloric acid / oxalic acid / phosphoric acid /none Amartya maity Reply to ANANYA SARKAR 2 years ago None Santanu Roy Reply to ANANYA SARKAR 2 years ago none ANANYA SARKAR Reply to ANANYA SARKAR 2 years ago Phosphoric acid Santanu Roy Reply to ANANYA SARKAR 2 years ago ok ANANYA SARKAR 2 years ago Sour Milk or curd or dahi is produced in the presence of- Maleic acid / oxalic acid / lactic acid / acetic acid Santanu Roy Reply to ANANYA SARKAR 2 years ago lactic acid ANANYA SARKAR 2 years ago Consider the following-bases turn Litmus to blue / methyl orange to yellow/ have a bitter taste /all of the above Santanu Roy Reply to ANANYA SARKAR 2 years ago all of the above are true ANANYA SARKAR 2 years ago Non metallic oxides are acidic in nature- True / false Santanu Roy Reply to ANANYA SARKAR 2 years ago True Santanu Roy 2 years ago Which of the following is not required to find the pH of a given sample ? (a) pH paper (b) Litmus paper (c) Universal indicator (d) Standard pH chart ANANYA SARKAR Reply to Santanu Roy 2 years ago Litmus paper? Santanu Roy Reply to ANANYA SARKAR 2 years ago yes ANANYA SARKAR 2 years ago Aqua regia is the solution of- HNO3+conc.HCL/NH3+conc.HCL/HCL+conc.HNO3/none Santanu Roy Reply to ANANYA SARKAR 2 years ago HNO3+conc.HCL ANANYA SARKAR Reply to Santanu Roy 2 years ago HCL+conc.HNO3 Amartya maity Reply to ANANYA SARKAR 2 years ago Con.HNO3+con.HCL Santanu Roy 2 years ago Which of the following is an alkali ? (a) Ca(OH)2 (b) KOH (c) Mg(OH)2 (d) CaCO3 ANANYA SARKAR Reply to Santanu Roy 2 years ago Caco3 Amartya maity Reply to ANANYA SARKAR 2 years ago Bakigulo keno hobe Na…. Load More Discussions
Baking powder is
(a) a mixture (b) a compound
(c) an element (d) a salt
A mixture
Acids and bases are important because of
(a) their use in industry
(b) their effects on human health
(c) their effect on farmer’s crop
(d) all the above are correct.
All the above
Select the one that is having pH < 7.
(a) lime juice (b) lime water
(c) human blood (d) antacid
) lime juice (b) lime water 2toi to acidic
(a) Lime juice hbe… lime water ph 12.4 er ase pase.. kichu reference pele diye dio
Sharp flavour of Coca Cola or any other soft drink is because of the presence of-
Hydrochloric acid / oxalic acid / phosphoric acid /none
None
none
Phosphoric acid
ok
Sour Milk or curd or dahi is produced in the presence of-
Maleic acid / oxalic acid / lactic acid / acetic acid
lactic acid
Consider the following-bases turn Litmus to blue / methyl orange to yellow/ have a bitter taste /all of the above
all of the above are true
Non metallic oxides are acidic in nature-
True / false
True
Which of the following is not required to find the pH of a
given sample ?
(a) pH paper (b) Litmus paper
(c) Universal indicator (d) Standard pH chart
Litmus paper?
yes
Aqua regia is the solution of- HNO3+conc.HCL/NH3+conc.HCL/HCL+conc.HNO3/none
HNO3+conc.HCL
HCL+conc.HNO3
Con.HNO3+con.HCL
Which of the following is an alkali ?
(a) Ca(OH)2 (b) KOH
(c) Mg(OH)2 (d) CaCO3
Caco3
Bakigulo keno hobe Na….