मराठी

From the list given below, which one is: [SO2, SiO2, Al2O3, CO, MgO, Na2O] (a) A covalent oxide of a metalloid. (b) An oxide which when dissolved in water form acid. (c) A basic oxide.

Advertisements
Advertisements

प्रश्न

From the list given below, which one is:

[SO2, SiO2, Al2O3, CO, MgO, Na2O]

  1. A covalent oxide of a metalloid.
  2. An oxide which when dissolved in water form acid.
  3. A basic oxide.
  4. An amphoteric oxide.
एका वाक्यात उत्तर
अति संक्षिप्त उत्तर
Advertisements

उत्तर

  1. SiO2
  2. SO2
  3. Na2O
  4. Al2O3
shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: Acids, Bases and Salts - EXERCISE-3B [पृष्ठ ५९]

APPEARS IN

एस.पी. सिंह Concise Chemistry [English] Class 10 ICSE
पाठ 3 Acids, Bases and Salts
EXERCISE-3B | Q 10. | पृष्ठ ५९

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

Describe giving all practical details, how would you prepare:

lead sulphate from metallic lead.


You are provided with the following chemicals:

NaOH, Na2CO3, H2O, Zn(OH)2, CO2, HCI, Fe, H2SO4, CI2, Zn.

Using the suitable chemicals from the given list only, state briefly how you would prepare iron (III) chloride.


Explain why fused calcium chloride is used in the preparation of FeCI3?


Give equation to prepare the following as directed
NaHCO3 from Na2CO3


From the list of the substances given, name the substances which you would use to prepare each of the following salts:
List of substances: Copper, lead, sodium, zinc, copper oxide, lead carbonate, sodium carbonate solution, dilute hydrochloric acid, dilute nitric acid and dilute sulphuric acid.
Salts: (a) zinc sulphate (b) copper sulphate (c) sodium sulphate (d) lead sulphate.


Write the equation for the laboratory preparation of sodium sulphate using dilute sulphuric acid.


Write the equations for the reaction to prepare lead sulphate from lead carbonate. 


Mention the colour changes observed when the following indicators are added:

Solution Acids Alkalies
(a) Alkaline phenolphthalein solution    
(b) Methyl orange solution    
(c) Neutral litmus solution    

Match the salts underlined in Column A with the most suitable method of preparation given in Column B.

  Column A   Column B
(a) \[\ce{ZnCl2 \text{from} Zn}\] 1. Precipitation
(b) \[\ce{KNO3 \text{from} KOH}\]. 2. Direct combination
(c) \[\ce{CaCO3 \text{from} CaCl2}\]. 3. Displacement reaction
    4. Neutralization

Select the word/s given which are required to correctly complete the blanks.

When solution M and O are mixed together, the products will be ______ and ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×