Simplified ICSE Chemistry Class 10. We covered all the Simplified ICSE Chemistry Class 10 in this post for free so that you can practice well for the exam.
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Simplified ICSE Chemistry Class 10 Objective for Students
Lewis acid is
(A) Electron pair accepter
(B) Electron pair doner
(C) Proton accepter
(D) Proton doner
Option a – Electron pair accepter
Which does not forms a buffer solution?
(A) NaH₂PO4 + Na₂HPO4
(B) H₂CO3 + NaHCO3
(C) NH4Cl + NH4Cl
(D) KOH + K₂SO4
Option d – KOH + K₂SO4
The pH of the solution obtained by mixing 50 ml of 1 M HCI and 30 ml, of 1 M NaOH solution is
(A) 3.979
(B) 0.6021
(C) 12.042
(D) 0.3979
Option b – 0.6021
The pH of neutral water is 6.5. The temperature of the water is
(A) 25°C
(B) > 25°C
(C) < 25°C
(D) Cannot predict
Option b – > 25°C
50 ml of 0.2 M HCl treated with 0.1 M NaOH solution. the volume of NaOH required for the complete neutralization of acid is
(A) 25 ml
(B) 50 ml
(C) 100 ml
(D) 200 ml
Option c – 100 ml
How many grams equivalents of NaOH are required to neutralize 25 cm³ of decimolar HCl solution? to
(A) 0.00125
(B) 0.0025
(C) 0.0050
(D) 0.025
Option b – 0.0025
pKa of weak acid HA is 4.5. The pOH of an aqueous buffer solution of HA in which 50% acid is ionized is
(A) 7.0
(B) 4.5
(C) 2.5
(D) 9.5
Option d – 9.5
40 ml of 0.1 M ammonia is mixed with 20 ml of 0.1 M HCI. What is the pH of the mixture? (pKb of NH3 = 4.74)
(A) 4.74
(B) 2.76
(C) 9.09
(D) 5.00
Option c – 9.09
We covered all the simplified icse chemistry class 10 above in this post for free so that you can practice well for the exam.
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