मराठी

Which of the following is the correct observation of the reaction shown in the above set up? - Science

Advertisements
Advertisements

प्रश्न

Which of the following is the correct observation of the reaction shown in the above set up?

पर्याय

  • Brown powder of Magnesium oxide is formed.

  • Colourless gas which turns lime water milky is evolved.

  • Magnesium ribbon burns with brilliant white light.

  • Reddish brown gas with a smell of burning Sulphur has evolved.

MCQ
Advertisements

उत्तर

Magnesium ribbon burns with brilliant white light.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
2022-2023 (March) Sample

व्हिडिओ ट्यूटोरियलVIEW ALL [4]

संबंधित प्रश्‍न

2 mL of sodium hydroxide solution is added to a few pieces of granulated zinc metal taken in a test tube. When the contents are warmed, a gas evolves which is bubbled through a soap solution before testing. Write the equation of the chemical reaction involved and the test to detect the gas. Name the gas which will be evolved when the same metal reacts with dilute solution of a strong acid.


What is wrong with the following chemical equation?

Mg   +   O   →   MgO

Correct and balance it.


When hydrogen is passed over copper oxide, copper and steam are formed. Write a balanced equation for this reaction and state which of the chemicals are products.


Is Burning of natural gas an endothermic reaction or an exothermic reaction?


Write symbolic representation for the following word equation and balance them :

Calcium carbonate → Calcium oxide + Carbon dioxide.


A student weighed some raisins and recorded the weight as ‘x’. She then soaked the raisins in distilled water. After about 2 hours she removed the raisins, wiped them dry and weighed them again, and recorded that as ‘y’. The percentage of water absorbed by raisins may be determined using the relationship.


Balance the equation stepwise.

 SO2(g) + H2S(aq) → S(s) + H2O(l) 


Balance the equation stepwise.

 Ag(s) + HCl(aq) → AgCl ↓+ H2 ↑ 


Balance the following equation:

Zn + KOH → K2ZnO2 + H2


Write the balanced chemical equation of the following reaction.

sulphur + nitric acid→ sulphuric acid  + nitrogen dioxide + water.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×