Download App

Metals and Non-Metals — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceMetals and Non-Metals1 Mark
MCQ
An iron nail was suspended in CuSO4 solution and kept for a while the solution is:
  • A
    Remained blue and coating was found on the nail.
  • B
    Turned green and a coating was formed on the nail.
  • C
    Remained blue and no coating was formed on the nail.
  • D
    Turned green and no coating was formed on the nail.
✓

Answer

  1. Turned green and a coating was formed on the nail.

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 "M.C.Q-[Che-1M]" from Metals and Non-Metals→Metals and Non-Metals — all question types→Science STD 10 question papers→CBSE Board STD 10 question papers→CBSE Board question paper generator→

Similar questions

The elements whose oxides can turn litmus solution red are:
→
In a soap micelle, the soap molecules are arranged radially with:
  1. Ionic ends directed towards the centre and hydrocarbon ends directed outwards.
  2. Hydrocarbon ends directed towards the centre and ionic ends directed outwards.
  3. Both ionic ends and hydrocarbon ends directed toward the centre.
  4. Both hydrocarbon ends and ionic ends directed outwards
→
A chemical reaction in which heat is evolved is called a/an:
→
2ml each of concentrated HCl, HNO3​ and a mixture of concentrated HCl and concentrated HNO3​ in the ratio of 3 : 1 were taken in test tubes labelled as A, B and C. A small piece of metal was put in each test tube. No change occurred in test tubes A and B but the metal got dissolved in test tube C respectively. The metal could be :
→
A student adds a few drops of ethanol acid to test tubes X, Y and Z containing aqueous solutions of sodium chloride, sodium hydroxide and sodium carbonate respectively. If he now brings a burning splinter near the mouth of the test tubes immediately after adding the ethanol acid in each one of them, in which of the test tube or test tubes the flame gets extinguished?
→
You are given the solution of lead nitrate. In order to obtain a yellow precipitate you should mix with it a solution of:
→
Which one of the following involves a chemical reaction?
→
A basic oxide will be formed by the element:
  1. K
  2. S
  3. P
  4. Kr
→
Which of the following salts does not contain water of crystallisation?
  1. Blue vitriol.
  2. Baking soda.
  3. Washing soda.
  4. Gypsum.
→
Which one of the following four metals would be displaced from the solution of its salt by the other three metals?
  1. Zn
  2. Ag
  3. Cu
  4. Mg
→