Which of the following statements are true?
(i) Zinc blende is concentrated by magnetic separation process
(ii) Haematite is concentrated by gravity separation process
(iii) Aluminium is produced by the electrolytic reduction of fused alumina
(iv) Matte is a mixture of cupric sulphide and ferrous sulphide

Match the following countries with their Mars Mission:

Find the odd one out.

Which of the following statements are true about the post sangam age?
(i) Pathinen keel kanakku texts, include eighteen texts which mostly deal with ethics and morel codes.
(ii) The most important of these Thirukkural and Naladiyar.
(iii) Silappathikaram and Manimekalai are the two texts deals with Cultural and Religious history.

Arrange the following events in the Chronological order:
1. Death of Pulithevar
2. Death of Kuyili
3. Death of Kattabomman
4. Death of Maruthu Brothers

Who was the First Women Doctor in Tamilnadu?

Which of the following was founded by Rettaimalai Srinivasan?

Match the following :

Which of the following statements about Bhagat Singh are true?
(i) In 1930, Bhagat Singh attacked the Chittagong armouries
(ii) In 1929, Bhagat Singh and B.K. Dutt threw a smoke bomb inside the Central Legislative Assembly Hall
(iii) In 1925, Bhagat Singh formed Hindustan Republican Army

Arrange the following Newspaper's and Journals of Thanthai Periyar in chronological order.
1. Paguththarivu
2. Viduthalai
3. Kudiarasu
4. Puratchi