Question 10
Which among the following have scales?

(i) Amphibians
(ii) Pisces
(iii) Reptiles
(iv) Mammals

(a) (i) and (iii)
(b) (iii) and (iv)
(c) (ii) and (iii)
(d) (i) and (ii)

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Solution

(c) (ii) and (iii)

Pisces and Reptiles have scales.

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Question 10
Which among the following have scales?

(i) Amphibians
(ii) Pisces
(iii) Reptiles
(iv) Mammals

(a) (i) and (iii)
(b) (iii) and (iv)
(c) (ii) and (iii)
(d) (i) and (ii)

Q. Which one of the following contain (3c -2e) bonds?

(i) B_{2} H_{6}, (i i) B e C l_{2}, (i i i) B e H_{2}, (i v) A l_{2} C l_{6}

Q. Which of the following does not obey the octet or duplet rule?

(i) H_{2} O (i i) B F_{3} (i i i) P C l_{5} (i v) C O_{2} (v) N H_{3}

Q. Which of the following will produce an alkaline solution when dissolved in water?
(i)

Borax

(ii)

N H_{4} C l

(iii)

N a_{2} C O_{3}

(iv)

N H_{4} N O_{3}

Q. From the following, choose the ones that are not state functions:
(I) q + W (II) q (III) W (IV) H - TS

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Question 10 Which among the following have scales? (i) Amphibians (ii) Pisces (iii) Reptiles (iv) Mammals (a) (i) and (iii) (b) (iii) and (iv) (c) (ii) and (iii) (d) (i) and (ii)​​​​​​​

(c) (ii) and (iii) Pisces and Reptiles have scales.

Question 10
Which among the following have scales?

(i) Amphibians
(ii) Pisces
(iii) Reptiles
(iv) Mammals

(a) (i) and (iii)
(b) (iii) and (iv)
(c) (ii) and (iii)
(d) (i) and (ii)

(c) (ii) and (iii)

Pisces and Reptiles have scales.