What is the colouring matter in plants called

2 Answers  

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Which synthetic fiber is known as artificial silk? 1 Cotton 2 Rayon 3 Terylene 4 Nylon

4 Answers   HCL,

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Rust is 1 A mixture of Fe2O3 and Fe(OH)3 2 A mixture of FeO & Fe(OH)2 3 Fe2O3 only 4 A mixture of Fe2O3.3H2O and Feo

2 Answers   AFMC,

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What is the growth ?

2 Answers  

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Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of 1 Nitrates 2 Zeolites 3 Sulphontes 4 None of these

2 Answers  

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Atom bomb is based on the principle of 1 Nuclear fusion 2 Nuclear fission 3 Both (a) & (b) 4 None of these

4 Answers   ECAT, Group 4 iv, Qnet, UPSC,

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Superphosphate fertilizer is prepared by the reaction between 1 Calcium phosphate and Sulphuric hydroxide 2 Sodium phosphate and Sodium nitrate 3 Magnesium phosphate and Sodium nitrate 4 Sodium sulphate and Phosphoric acid

2 Answers   Central Police Forces, Odisha Police,

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Emerald is ----in colour 1 Violet 2 Yellow 3 Deep green 4 Prussian blue

1 Answers  

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The hardest substance available on earth is 1 Platinum 2 Coal 3 Diamond 4 Gold

13 Answers   FCI, University of Ilorin,

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Which of the following colors in he visible spectrum has maximum range? 1 Violet 2 Indigo 3 Orange 4 Red

1 Answers  

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Liquefied Petroleum Gas consists of mainly 1 Methane, ethane and hexane 2 Ethane, hexane and noname 3 Methane, butane and propane 4 Methane, hexane and nonane

2 Answers  

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Carbon tetrachloride fire extinguisher should not be used in closed rooms, because it produces a poisonous gas called 1 Carbon monoxide 2 Phosphine 3 Phosgene 4 None of these

1 Answers  

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