Question

A) A<B<C B) CCA_B LIBRALL
14. Zinc metal is added to the solutions of (i) HCI (ii) NaCl (iii) NaOH and (iv) CuSO, Hydrogen
gas is liberated in solutions
[ ]
A) i, in
B) i, iv
C) i, ii
D) ii, iii
[ ]
15. Baking powder is a mixture of NaHCO, and
A) citric acid B) vinegor C) tautorric acid D) acetic acid 16.
16. Keeping the potential difference constant, the resistance of a circuit is halved. The current will
become
A) halved
B) one fourth C) double
D) No change [ ]
17. A natural dye made from small plants called lichen is
[ ]
A) litmus B) universal of indicator C) methyl orange D) turmeric powder
18. Assertion : Sodium hydrogen carbonate is an acidic salt.
Reason : It gives acidic solution in water.
[ ]
A) Both A & R are correct and reason is the correct explanation of the assertion
B) Both A and R are wrong
C) A is correct, R is incorrect D) A is incorrect and R is correct
19. pH of a base
with dilution.
[ ]
A) increases B) decreases C) no change D) becomes zero
20. The drift speed of an electron in a metal is of the order of
[ ]
A) 10 cm/s
B) 10 mm/s
C) 10 m/s
DO
21. The equivalent resistance of resistors in parallel is always​

Answer 1

Answer:

chalo na janu tujhe patna ghuma deJo Mera hota hai use per Kisi Ka Haq to Kiya Najar Tak bardasht Nhi Karo mainसमास विग्रह करते हुए भेदों का नाम लिखें-

*समस्तपद*

१. शरणागत

२. पूंजीपति

३. चवन्नी

४. घनश्याम

५. अंधकूप

६. रातों-रात

७. मेघनाद

८. यशअपयश

९. असफल

१०. घी -शक्करAbhi thoda Waqt kharab hai , Waqt Ke Rahte Guzar Jayege woh Waqt Dur nahi Jab Meri phir daur aayega...!!