Subject: Science and Technology

Salts of which of the following elements provide colours to fireworks?

A weightless rubber balloon is filled with 200 cc of water. Its weight in water is equal to:

Standard 18-carat gold sold in the market contains:

Match List I (Fuel Gases) with List II (Major Constituents) and select the correct answer using the codes given below.
List I
(A) CNG
(B) Coal gas
(C) LPG
(D) Water gas

List II
1. Carbon monoxide, Hydrogen
2. Butane, Propane
3. Methane, Ethane
4. Hydrogen, Methane, Carbon monoxide

INSAT – 3E, India’s communication satellite, was launched in 2003 from:

INS Trishul acquired by the Indian Navy in 2003 has been built by:

Match List-I (Institute) with List-II (Located At) and select the correct answer using the codes given below the Lists.
List-I ……………………………………………………………List-II
(Institute) …………………………………………………(Located At)
A. Indian Institute of Geomagnetism …………1. Coimbatore
B. International …………………………………………..2. Mumbai
Advanced Research
Centre for Power
Metallurgy and New
Materials
C. Salim Ali Centre for ………………………………….3. Jabalpur
Ornithology and
Natural History
D. Tropical Forestry ……………………………………….4. Hyderabad
Research Institute

Assertion (A): Fatty acids should be a part of the balanced human diet.
Reason (R): The cells of the human body cannot synthesize essential fatty acids.

Assertion (A): In our houses, the current in AC electricity line changes direction 60 times per second.
Reason (R): The frequency of alternating voltage supplied is 60 hertz.

Param Padma, which was in the news recently, is: