General Science: Questions and Answers
(Chapter: 29)
931. The element stored in oil due to its high reactivity
- Barium
932. The element which has the highest reactivity or electronegativity
- Fluorine
933. The element which has the highest ionization potential
- Helium.
934. The element which has the least ionization energy
- francium.
935. The element with the highest melting point
-carbon.
936. The elements with the most number of isotopes
- tin.
937. The escape velocity of moon is
- 2.4 km/s -Earth - 11.2 km/s (7 miles/s. )(Jupiter: 59.6km/s)
938. The first portable computer
- Osborne-I
939. A tachometer is a device to measure
- speed of rotation.
940. A vehicle silencer works on the principle of' Destructive Interference' of
- sound waves
941. Alkaloids are a group of nitrogen-containing organic compounds produced by
- plants
942. The alloy used for making permanent magnet is
- Alnico.
943. An active galactic nucleus is called a
- quasar.
944. Animals living in the bottom of water are called
- benthic animals.
945. Approximately 111 Km is represented by
1⁰ latitude.
946. Average human respiratory rate
- 16-20 breaths/min
947. Average respiratory rate in a newborn baby
- 44 breaths/min
948. ----------------- is observed on October 23, from 6.023 am to 6.023 pm
- Avogadro day
949. .................... is the unit of radioactive decay.
- Becquerel
950. .................... is a mixture of an alkaline solution of Copper sulphate and Sodium citrate.
- Benedict's solution
951. Bismuth Aurite is the mineral of
- gold.
952. The blue colour of the Sea was explained by
- Sir. C. V. Raman
953. The blue colour of the sky was explained by
- Lord Rayleigh
954. Bosons which carry the strong nuclear force
- Gluons
955. Bright's disease affects
- kidney.
956. ...................... prevent the changes in ph caused by the addition of acid or alkali.
- Buffer solution
957. ......................... is the upward force which acts on a body immersed in liquid.
- Buoyant force
958. Calomel
-Mercurous chloride
959.Candy fluid Potassium
- Permanganate.
960. ..................... is the working principle behind the washing machine.
- Centrifugation
961. Chemical decomposition by the action of heat is known as
- Pyrolysis
962. The chemical name of vitamin B5 is Pantothenic acid and vitamin C is
- Ascorbic acid.
963. The compound of sodium used as a purifier in submarines
- Sodium Peroxide
964. Desert sand is usually composed of
- calcite.
965. Diamond is the hardest form of carbon and lamp black is the softest form of
- carbon.
(Chapter: 29)
931. The element stored in oil due to its high reactivity
- Barium
932. The element which has the highest reactivity or electronegativity
- Fluorine
933. The element which has the highest ionization potential
- Helium.
934. The element which has the least ionization energy
- francium.
935. The element with the highest melting point
-carbon.
936. The elements with the most number of isotopes
- tin.
937. The escape velocity of moon is
- 2.4 km/s -Earth - 11.2 km/s (7 miles/s. )(Jupiter: 59.6km/s)
938. The first portable computer
- Osborne-I
939. A tachometer is a device to measure
- speed of rotation.
940. A vehicle silencer works on the principle of' Destructive Interference' of
- sound waves
941. Alkaloids are a group of nitrogen-containing organic compounds produced by
- plants
942. The alloy used for making permanent magnet is
- Alnico.
943. An active galactic nucleus is called a
- quasar.
944. Animals living in the bottom of water are called
- benthic animals.
945. Approximately 111 Km is represented by
1⁰ latitude.
946. Average human respiratory rate
- 16-20 breaths/min
947. Average respiratory rate in a newborn baby
- 44 breaths/min
948. ----------------- is observed on October 23, from 6.023 am to 6.023 pm
- Avogadro day
949. .................... is the unit of radioactive decay.
- Becquerel
950. .................... is a mixture of an alkaline solution of Copper sulphate and Sodium citrate.
- Benedict's solution
951. Bismuth Aurite is the mineral of
- gold.
952. The blue colour of the Sea was explained by
- Sir. C. V. Raman
953. The blue colour of the sky was explained by
- Lord Rayleigh
954. Bosons which carry the strong nuclear force
- Gluons
955. Bright's disease affects
- kidney.
956. ...................... prevent the changes in ph caused by the addition of acid or alkali.
- Buffer solution
957. ......................... is the upward force which acts on a body immersed in liquid.
- Buoyant force
958. Calomel
-Mercurous chloride
959.Candy fluid Potassium
- Permanganate.
960. ..................... is the working principle behind the washing machine.
- Centrifugation
961. Chemical decomposition by the action of heat is known as
- Pyrolysis
962. The chemical name of vitamin B5 is Pantothenic acid and vitamin C is
- Ascorbic acid.
963. The compound of sodium used as a purifier in submarines
- Sodium Peroxide
964. Desert sand is usually composed of
- calcite.
965. Diamond is the hardest form of carbon and lamp black is the softest form of
- carbon.
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