chocolate chiffon cake recipe

📌Chocolate chiffon cake recipe📌
1/2 cup cocoa powder (jb15 gamit ko)
1& 1/4 cups cake flour
1/2 cup sugar
1 tsp baking soda
1 tsp baking powder
1 tsp salt
6 eggyolks
1/2 cup canola or chiffon oil
3/4 cup of water
*Meringue *
6large egg whites
1tsp vinegar
1/2 cup sugar
Baking time: 25-30mins 180°c up and down