Chemistry - 08

Chemistry [Science] plays a major role for candidates preparing for competitive exams like University Assistant. Get instant Questions of Science - Chemistry from here. Kerala PSC Helper is a one source destination for all Chemistry to crack competitive exams conducted by Kerala Public Service Commission.
71. What is the color of phenolphthalein in an acid?
Answer :- No color

72. Which metal ion gives lilac color in the flame test?
Answer :- Potassium

73. If an element's atoms and molecules are one and the same, it is known as ........
Answer :- Mono atomic element

74. What are the common examples for the mono atomic elements?
Answer :- Inert gases (Helium, Argon, Neon)

75. Which element is names after the Latin name of the Earth?
Answer :- Tellurium

76. Which chemical element is named after a University?
Answer :- Berkelium

77. Which particle of an atom is known as cathode ray?
Answer :- Electron

78. What are the anode rays of an atom?
Answer :- Protons

79. What is also known as 'Cardice or Card Ice'?
Answer :- Dry Ice

80. What is 'Dry Ice'?
Answer :- Solid Carbon Dioxide

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