help@askiitians.com

+91-87964 74404

11 grade chemistry others

Among the following cells, which of the following are primary cells?

(I) Leclanche cell

(II) Nickel-Cadmium cell

(III) Lead storage battery

(IV) Mercury cell
(A) I and II
(B) I and III
(C) I and IV
(D) III and IV

Aniket Singh

11 Months agoGrade

1 Answer

Askiitians Tutor Team

Approved Tutor Answer11 Months ago

Primary cells are batteries that cannot be recharged after they are depleted. Among the options provided, the following are classified as primary cells:

Leclanche cell - A common type of primary cell used in dry batteries.
Mercury cell - Another example of a primary cell, often used in small devices.

The Nickel-Cadmium cell and Lead storage battery are both rechargeable, making them secondary cells. Therefore, the correct answer is:

(C) I and IV

Which of the following is likely to be least stable?

(A) Ca₄₀

(B) Mn₅₅

(C) Sn₁₁₉

(D) Al₃₀

Grade 1111 grade chemistry others

1 Answer Available

Last Activity: 10 Months ago

Which of the following is not a Lewis acid?

A. BF₃

B. AlCl₃

C. FeCl₃

D. PH₃

Grade 1111 grade chemistry others

1 Answer Available

Last Activity: 10 Months ago

Which of the following is not a property of compounds?

(A) They are made up of two or more kinds of atoms.

(B) They cannot be broken down into two or more simpler substances by physical means but by chemical means only.

(C) Properties of compounds differ from those of their elements.

(D) None of the above.

Grade 1111 grade chemistry others

1 Answer Available

Last Activity: 10 Months ago

Which of the following is polar?
A. NF₃
B. BF₃
C. SF₄
D. SiF₄

Grade 1111 grade chemistry others

1 Answer Available

Last Activity: 10 Months ago

Which of the following metals exists in their native state in nature?

(i) Ca

(ii) Au

(iii) Zn

(iv) Ag
A. (i) and (ii)
B. (ii) and (iii)
C. (ii) and (iv)
D. (iii) and (iv)

Grade 1111 grade chemistry others

1 Answer Available

Last Activity: 10 Months ago

View all Questions