हिंदी

Write the molecular formulae of the following compound. Sodium aluminate - Science and Technology 1

Advertisements
Advertisements

प्रश्न

Write the molecular formulae of the following compound.

Sodium aluminate

एक शब्द/वाक्यांश उत्तर

उत्तर

Sodium aluminate- NaAlO2

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 8: Metallugy - Solve the following Questions

APPEARS IN

संबंधित प्रश्न

Which of the following pairs will give displacement reactions?


M is a metal above hydrogen in the activity series and its oxide has the formula M2O. This oxide when dissolved in water forms the corresponding hydroxide which is a good conductor of electricity. In the above context, answer the following:

1) What kind of combination exists between M and O?

2)How many electrons are there in the outermost shell of M?

3) Name the group to which M belongs.

4) State the reaction taking place at the cathode.

5) Name the product at the anode.


Why does a new aluminium vessel lose shine so soon after use?


Name one metal which is extracted by electrolytic reduction.


Explain giving one example, how highly reactive metals (which are high up in the reactivity series) are extracted.


Name one ore of copper (other than cuprite). Which compound of copper is present in this ore? Also, write its chemical formula.


Which metal is extracted from cinnabar ore?


The two metals which can be extracted just by heating their sulphides in air are:
(a) sodium and copper
(b) copper and aluminium
(c) potassium and zinc
(d) mercury and copper


Manganese metal is extracted from manganese dioxide by a reduction process by making use of:
(a) carbon
(b) hydrogen
(c) electrolysis
(d) aluminium


Aluminum is used in thermite welding:

what is thermit?


Aluminum is used in thermite welding:

what is ignition mixture?


An element has its electron configuration as 2,8,8,2. Now answer the following questions.
a) What is the atomic number of this element?
b) What is the group of this element?
c) To which period does this element belong?


Name the following:
Two metals which are found in the free or native state.


Name : The metal which is liquid at room temperature.


How many valence electrons are present in metals ?


To protect iron from rusting, it is coated with a thin layer of zinc. Name the process.


Name the following :

The Process of heating an ore to a high temperature in the presence of air.


Find the odd one out and give its explanation.


Explain the following reaction with the balanced equation.

Dry aluminium hydroxide is ignited at 1000 °C


Explain the following reaction with the balanced equation.

Zinc carbonate is heated strongly in limited supply of air


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×