Download App

Acids, Bases and Salts — Science STD 10 — Question

Maharashtra BoardEnglish MediumSTD 10ScienceAcids, Bases and Salts3 Marks
Question
On adding dilute hydrochloric acid to copper oxide powder, the solution formed is blue-green.
  1. Predict the new compound formed which imparts a blue-green colour to solution.
  2. Write a balanced chemical equation of the reaction which takes place.
  3. On the basis of the above reaction, what can you say about the nature of copper oxide$?$
✓

Answer

  1. Copper $(II)$ chloride $CuCl_2$
  2. $CuO(s) + 2HCl(aq) \rightarrow CuCl_2(aq) + H_2O(l)$
  3. Copper oxide is basic in nature

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Answer the following questions: [3 M]" from Acids, Bases and Salts→Acids, Bases and Salts — all question types→Science STD 10 question papers→Maharashtra Board STD 10 question papers→Maharashtra Board question paper generator→

Similar questions

Oral rehydration solution (Salt-sugar- water) is frequently given to persons experiencing loose motions.
→
Which are the destructive effects of flood?
→
Explain the process of preparation of soap in laboratory.
→
Draw a neat labelled diagram. Human male reproductive system
→
What is the maximum number of 60W bulbs that can be run from the mains supply of 220 volts if you do not want to overload a 5A fuse?
→
What type of bonding would you expect between the following pairs of elements?
  1. Calcium and Oxygen.
  2. Carbon and Chlorine.
  3. Hydrogen and Chlorine.
→
How can the oil spills of rivers and oceans be cleaned?
→
How far should an object be placed from the pole of a converging mirror of focal length 20cm to form a real image of the size exactly$\frac{1}{4}$ th the size of the object?
→
Explain the three different levels of Biodiversity.
###
Write a short note on - The types of Biodiversity.
→
Displacement reaction
→