Question

is there anyone to help me with these questions
1) 2NaoH+Zn------->_______
2)Na2Co3+2 HCL------->________
3)Caco3+Co2-------->_______​

Answer 1

Answer:

Complete the following reaction: ZN (s) + NaOH which gives ... - : ZN (s) + NaOH which gives sodium zincate, together with hydrogen gas. The compound sodium zincate, together with hydrogen gas, is formed when zinc reacts with excess sodium hydroxide. Zinc is an example of transition metal which demonstrates mild reactivity.

Explanation:

2 solution

9-Double Displacement Reactions When solutions of sodium carbonate and hydrochloric acid are mixed, the equation for the hypothetical double displacement reaction is: Na2CO3 + 2 HCl → 2 NaCl + H2CO3 Bubbles of a colorless gas are evolved when these solutions are mixed.

Answer 2

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naa Kavi Varneka studying class 10 from Dharmapuri