956. What are known as 'the wonder child of electronics'?Transistors
957. Which acid is present in cola?
Phosphoric Acid
958. Detergents are sodium or potassium salts of ----------------
Sulphonic acid
959. What is known as thiokol?
Synthetic rubber
960. The color of cow milk is slightly yellowish due to the presence of .
Carotin
961. The poisoning of which heavy metal causes the Minamata disease?
Mercury
962. Itai-Itai disease is caused by the poisoning of ----------------
Cadmium
963. Nudides with same atomic number but different mass number are called ------------------.
Isotopes
964. Which instrument is used to measure blood pressure?
Sphygmomanometer
965. Who developed the free operating system of Linux?
Linus Torvalds
966. Which is the most abundant metal in the Earth's crust?
Aluminium
967. In what time the Sunlight reaches Earth?
500 seconds (8 minutes 20 seconds)
968. Which is known as Universal donor of all blood groups?
Ogroup
969. Which element is present in all adds?
Hydrogen
970. What is the function of kidneys in human body?
To filter waste materials
971. Who discovered color blindness?
John Dalton
972. What is the best conductor of heat and electricity?
Silver
973. What is the chemical content of laughing gas?
Nitrous Oxide
974. Which acid is present in lemon?
Citric Acid
975. Hypo, used in photography, is chemically?
Sodium Thiosulphate
976. Which metal forms amalgams with other metals?
Mercury
977. The Brown Ring test is used for the analysis of -------------
Nitrates
978. Which disease is also known as 'Christmas Disease'?
Haemophilia B
979. Which instrument is used to measure the potential difference?
Voltmeter
980. Which color of light travels most slowly through glass?
Violet
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