HGJJ

What is the color-bearing group in the chemical structure of a dye?

• Conjugated system

• Visible spectrum

• Auxochrome

• Chromophore

What type of dye carries a negative charge?

• Basic Dye

• Vat Dye

• Acid Dye

• Direct Dye

What is the perfect dye to use in hydrophobic substrate or fabric like polyesters and acetate?

• Direct Dye

• Reactive Dye

• Disperse Dye

• Sulfur Dye

What insect can transmit diseases like dengue and Japanese encephalitis?

• Flies

• Mites

• Mosquitoes

• Ticks

What insect repellant is designated by WHO as a 'repellant choice for malaria prevention'?

• Citridiol

• DEET

• Picaridin

• Merck 3535

What is the chemical present in human sweat and breath that attracts insects?

• 3,7-Dimethyloct-6-en-1-ol

• Para-menthane-3,8-diol

• 1-octen-ol

• Dimethyl phthalate

What is the common name of the insect repellant with the chemical name of 2-ethyl-1,3-hexanediol?

• DMP

• Indalone

• Rutgers 612

• Merck 3535

What insect can transmit diseases like dengue and Japanese encephalitis?

• Ticks

• Mites

• Mosquitoes

• Flies

What is the perfect dye to use in cotton, linen, and rayon?

• Direct Dye

• Reactive Dye

• Disperse Dye

• Sulfur Dye

What is the color-helper group in the chemical structure of a dye?

• Auxochrome

• Chromophore

• Conjugated system

• Visible spectrum