Questions

Acid which is present in vinegar is approximately 5 % of acetic acid. This can be confirmed by testing the vinegar with magnesium which gives out hydrogen as a gas.

Zakir Hussain is best known for the instrument Tabla.

Bundu Khan is known for Sarangi

P. Mani Iyer is known for Mridangam

Ravi Sankar is known for Sitar

Sharjah, the city of United Arab Emirates (UAE), has been designated as the UNESCO World Book Capital 2019 by Irina Bokova, the Director-General of UNESCO, at the Headquarters of the International Federation of Library Associations (IFLA) at La Haye. The honour is in recognition of the Emirate’s pioneering role in supporting and expanding the local and regional publishing industries, promoting reading to become an intrinsic cultural practice, as well as embracing inter-cultural, knowledge-based dialogue. Sharjah was the first emirate in UAE to establish a formal school and a library. It was also the first emirate to house many cultural institutions like the Emirates Publishers Association and the Emirates’ writers Union. Sharjah is the 19th city to become World Book Capital. It is preceded by Conakry in 2017 and Athens in 2018.

In the above given sentences, only option C) The hen has laid 10 eggs is gramatically correct.

A) Not correct - We had gone to the party last night

Correct - We went to the party last night

B) Not correct - I have seen him yesterday

Correct - I saw him yesterday (We do not use the present perfect tense with past time expressions.)

D) Not correct - She is sleeping for 2 hours

Correct - She has been sleeping for two hours. (We use the present perfect continuous tense to show duration.)

Competition Commission of India (CCI) was established on 14th October 2003. It headquarters in New Delhi.