Consider the following statements 1 scientist from VSSC have indigenously developed w...........

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Consider the following statements:

1. scientist from VSSC have indigenously developed world lightest synthetic material called silica ero gel

2. the matrix of aero gel is made up of 90% air

3. ISRO will use this material on moon rover In Chandrayaan -2 mission of India

Choose the correct statements using the Codes given below

1 and 2 only

1and 3 only

2 and 3 only

1,2and 3 only

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Explanation:

scientist at vikram sarabhai space centre claimed that they have developed world’s lightest material ever made by man ,called silica aerogel also referred to as frozen smoke or blue air .this material has excellent thermal resistance and if used as a filter in soldiers uniforms it can possibly help save many lives at siachen glacier.the matrix of aerogel is made up of 99percent air.