Though the temperature inside lighted electric bulb is around 27000C, the filament does not burn because (A) The metal of which it is made up of resistant burning (B) The oxygen necessary for combustion (burning) is not available as the bulb is evacuated and filled with pure nitrogen or inert gas. (C) It cannot burn in closed systems. (D) It is made of non-metallic substance.

Hard water does not lather well with soap because (A) It contains carbonates of calcium and magnesium (B) It is highly coloured (C) It contains suspended impurities (D) It contains sodium chloride.

HK,

Camphor can easily be purified by the process of (A) Sublimation (B) Distillation (C) Crystallization (D) Sedimentation

BPSC, BPSC Bihar Public Service Commission, TNPSC Tamil Nadu Public Service Commission, Watt,

The Civil Disobedience movement caught the imagination of the people in the States. In many places, significant popular movements came into being. Point out where it did not? (A) Rajkot (B) Hyderabad (C) Travancore (D) Rampur

An electrical appliance is earthed to (A) Protect the appliance against any damage (B) Prevent shocks (C) Reduce consumption (D) Avoid short-circuiting

The NPT (nuclear Non-Proliferation Treaty) came into force in : (A) 1968 (B) 1972 (C) 1970 (D) 1974

Allugel tablets used to reduce acidity contain (A) Sodium carbonate (B) Sodium hydroxide (C) Ammonia (D) Aluminium hydroxide

Lowest percentage of carbon is in (A) Cast iron (B) Steel (C) Wrought iron (D) Pig iron

Consider the following statements with regard to the Supreme Court of India(1) The Supreme Court has been created under the Constitution of India.(2) The Supreme Court at present comprises of a Chief Justice and 25 ordinary judges.(3) The Supreme Court has its permanent seat at New Delhi, but it can meet elsewhere if the Chief Justice of India so decides in consultation with the President of India.(4) The original jurisdiction of the Supreme Court extends over disputes between India and Foreign Countries.Of these statements. (A) 1, 2 and 4 are correct (B) 1, 2 and 3 are correct (C) 2, 3 and 4 are correct (D) 1, 3 and 4 are correct

The most malleable metal is (A) Platinum (B) Silver (C) Iron (D) Gold

AIIMS, College School Exams Tests, HCL, IIT, NDA, WBCS West Bengal Civil Service,

According to the Reserve Bank of India Credit and Monetary Policy, the rate of increase in the Minimum Support Price (MSP) of food grains has been more than that of the rate of inflation. This would mean that (A) Inflation will be more than the price of food grains (B) There will be an increase in the availability of food grains. (C) Increase in the price of food grains will be more than proportionate to the rate of inflation. (D) There will be a reduction in the open market price of good grains.

For respiration deep sea divers use mixture of (A) Oxygen and Carbon dioxide (B) Hydrogen and Oxygen (C) Oxygen and Nitrogen (D) Oxygen and Helium

NTSE,

The compound used as an antimalarial drug is (A) Aspirin (B) Chloroquin (C) Penicillin (D) Hydroquinione

A capacitor (condenser) is used in an electrical circuit to (A) Step down voltage (B) Step up voltage (C) Store electric charge (D) Produce electric charge

Electrical,

The hottest part in the gas flame is known as the (A) Luminous zone (B) Dark zone (C) Blue zone (D) Non-Luminous zone

Dabur, SSC,