Answer / guest

(3) Pyrex glass

Answer / roshan

Flint glass

Which variety of glass is heat resistant? 1 Hard glass 2 Flint glass 3 Pyrex glass 4 Bottle glass

2 Answers   PDO,

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define cartography?

1 Answers   ISRO,

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Which of the following acids is used for ‘etching glass’? 1 HBrO3 2 H2F2 3 HCIO4 4 HIO4

1 Answers  

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difference between typewriter and computer?

2 Answers   ISRO,

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How does a RCCB work? Difference between ELCB & RCCB?

0 Answers  

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Which one of the following is the petroleum wax? 1 Bees wax 2 Carnauba wax 3 Paraffin wax 4 Jojoba wax

1 Answers  

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What is the growth ?

2 Answers  

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Find the odd one: 1 Marble 2 Chalk 3 Limestone 4 Slaked lime

2 Answers  

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Which of the following fibers is least prone to fire? 1 Rayon 2 Nylon 3 Cotton 4 Terycott

2 Answers  

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What is the life cycle ?

1 Answers  

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Which synthetic fiber possesses a ‘drip-dry’ property? 1 Rayon 2 Nylon 3 Silk 4 Terylene

6 Answers  

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Polythene is industrially prepared by the polymerization of 1 Methane 2 Styrene 3 Acetylene 4 Ethylene

3 Answers   Amna Industries, HFI,

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