1906: One mole of hydrogen gas burns in excess of oxygen to give 290 kJ of heat. What is the amount of heat produced when 4g of hydrogen gas is burnt under the same conditions ?
(a) 145 kJ
(b) 290 kJ
(c) 580 kJ
(d) 1160 kJ
1907: A merchant wants a gross profit of 25 per cent on the sales. Thus the percentage he should add to the cost price will be:
(a) 25 per cent
(b) 33 per cent
(c) 66 per cent
(d) 75 per cent
1908: Blight - the disease of potato can be cured by:
(a) Diathane
(b) Bordeaux mixture
(c) Dionine T-4
(d) Agrimycin and Ceresan
1909: Who declared, "Swaraj had stunk in the nostrils and that without adequate discipline and restraint on the part of the people the movement had proved to be a Himalayan blunder".
(a) Bal Gangadhar Tilak
(b) Sardar Vallabhbhai Patel
(c) Mahatma Gandhi
(d) Subhash Chandra Bose
1910: Consider the following statements:
1. The number of post offices in India is in excess of 1.5 lakhs.
2. Bharat Sanchar Nigam Limited (BSNL) was formed in the year 1997.
3. Telecom Regulatory Authority of India (TRAI) was established in the year 2000.
Which of the statements given above is/are correct?
(a) 1 only
(b) 3 only
(c) 1 and 2
(d) 1, 2 and 3