Question Discussion & Solution

The correct option is 2 i.e. Sodium Carbonate

Key Points

• Sodium Carbonate is also known as washing soda it is a salt of carbonic acid.
• Sodium carbonate can be manufactured by Solvay's process.
• It is used for treating hard water and industrial detergent mixtures.
• The aqueous solution of sodium carbonate is alkaline.
• Calcium Sulphate exists in the forms of white solids and is not soluble in water.
• Plaster of Paris and Gypsum are its hydrates.

The correct answer is Jaipur.

• Jaipur is known as the Panna City of Rajasthan.

Key Points 

• Emerald (Panna) is a gemstone.
  • It is a variety of beryl minerals.
  • It is also called Green Fire.
  • It is found in the following areas of Rajasthan-
    • Udaipur- Kalaguman, Gogunda, Tikki
    • Ajmer-  Rajgarh, Gudas, Bubani
      • Ajmer's Bubani to Rajsamand's Gamguda and Nathdwara area is known as Green Fire Belt, where the emerald is found.

Additional Information

• Panna Mandi Is also situated in Jaipur.

Concept:

In general, each object contains three object associated attributes:

• Object prototype: It is kind of reference/indication to another object from which properties are inherited.
• Object class: It is a kind of string which classifies the type an object.
• Object's extensible flag: It simply specifies that whether some new properties are added to the object

Employee and employers are required to work in a firm. Deed is required to register the firm as the partnership firm. The main part of the partnership firm is the partners without them there will be no partnership firm.

The correct answer is All of the above.

• Foreign Marriage Act,1969:
  • Section 4 of the act deals with the conditions relating to the solemnization of foreign marriages.

Key Points

• The act says that it solemnizes the marriage between parties one of whom which should be an Indian citizen under article 8 of the Indian Constitution or if the following conditions got satisfied:-
  • Spouse of both parties should not be living.
  • Both parties should be of sound mind.
  • At the time of marriage, the bridegroom should be of 21 years and the bride should be of 18 years.
  • Neither of the party is within the degree of prohibited relationship.
• With an element that personal law and custom laws governing at least one party permit marriage between them including that they are not within the degree of prohibited relationship.
• Section 5 of the act deals with the need for intended marriage.
• The section states that when a marriage is solemnized under this act the parties who got married have to give notice to the marriage officer of the district in writing specified in the First Schedule of the act.